Beyond Jaws: Exploring Shark Science and Conservation – Details, episodes & analysis

On this bonus episode of the Beyond Jaws podcast, hosts Andrew Lewin and Dr. David Ebert delve into the recovery plan for the oceanic white tip shark with guests John Carlson and Chelsea Young from NOAA. They explore the importance of a global recovery plan for this species despite its US origins. The conversation highlights the evolution of shark science, public interest in sharks, and the crucial work being done to protect these fascinating creatures.

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Recovery plans for endangered species, such as the oceanic white tip shark, are crucial for conservation efforts and often require a global approach. In a podcast episode, John Carlson and Chelsea Young from NOAA discussed the development of a recovery plan for the oceanic white tip shark, a species listed under the Endangered Species Act. The recovery plan serves as a blueprint for achieving the goal of removing the species from the endangered list by outlining specific actions and strategies to support the recovery of the population.

One key aspect highlighted in the episode is the global nature of the recovery plan. The oceanic white tip shark is a species with a wide distribution, spanning multiple ocean basins and international waters. As a result, the recovery plan involves collaboration with various regional fishery management organizations (RFMOs) and international partners to address the conservation challenges faced by the species on a global scale.

The development of the recovery plan also involves setting benchmarks, timelines, and criteria for assessing the progress of the recovery efforts. The plan includes a series of scenarios and criteria that need to be met in different management units to demonstrate recovery. This approach ensures that recovery efforts are comprehensive and address the specific needs of the species in different regions.

Furthermore, the implementation of the recovery plan requires a coordinated effort involving scientists, policymakers, NGOs, and other stakeholders. The plan outlines on-the-ground activities and research projects aimed at supporting the recovery goals. Additionally, the plan emphasizes the importance of engaging with international partners and encouraging collaborative research and conservation initiatives to enhance the recovery of the oceanic white tip shark population.

The episode underscores the significance of global cooperation and coordinated conservation efforts in the development and implementation of recovery plans for endangered species like the oceanic white tip shark. By taking a holistic and collaborative approach, conservationists can work towards ensuring the long-term survival and recovery of threatened species across different regions and jurisdictions.

The implementation of recovery plans for endangered species, such as the oceanic white tip shark, involves a multi-faceted approach that combines scientific research, policy development, and international collaboration. In the episode, it was highlighted that the recovery plan for the oceanic white tip shark was a collaborative effort between scientists, policymakers, and various organizations both nationally and internationally.

Scientific research plays a crucial role in the implementation of recovery plans. Researchers like John Carlson and Chelsea Young from NOAA Fisheries conducted biological and analytical research to support the stock assessment of sharks and endangered elasmobranchs. This research provided essential data on population dynamics, threats, and trends in abundance, which informed the development of the recovery plan.

Policy development is another key component of implementing recovery plans. Chelsea Young, based in Honolulu, oversees the recovery planning and rulemaking for Threatened and Endangered Marine Species under the U.S. Endangered Species Act. The recovery plan serves as a guidance document outlining the actions needed to recover the species to a point where it no longer requires protection under the Endangered Species Act.

International collaboration is essential for the successful implementation of recovery plans for globally distributed species like the oceanic white tip shark. The recovery plan involved workshops in Miami and Honolulu, bringing together scientists, fishermen, environmental organizations, and policymakers from different countries and regions. The plan also considered the management units delineated by regional fishery management organizations, emphasizing the need for coordinated efforts across borders.

The implementation strategy outlined in the recovery plan includes on-the-ground activities, research projects, and conservation initiatives aimed at achieving the goals set for the recovery of the species. The plan serves as a blueprint for action, providing a framework for scientists, policymakers, and conservationists to work together towards the common goal of species recovery.

Overall, the successful implementation of recovery plans for endangered species like the oceanic white tip shark requires a collaborative and interdisciplinary approach that integrates scientific research, policy development, and international cooperation. By working together across borders and disciplines, stakeholders can make significant progress towards the conservation and recovery of threatened species.

Recovery plans for species like the oceanic white tip shark require a multi-faceted approach, including setting benchmarks, conducting research, and engaging with various stakeholders.

The recovery plan for the oceanic white tip shark discussed in the podcast episode highlights the importance of a comprehensive approach to species recovery. The plan involves setting benchmarks to track progress towards recovery, such as population assessments, trends in abundance, and threat level reductions. These benchmarks provide a roadmap for measuring the success of conservation efforts and guiding future actions.

Additionally, conducting research plays a crucial role in understanding the species and implementing effective conservation strategies. Research efforts, such as satellite and acoustic tagging, post-release survivorship studies, and stock assessments, provide valuable data to inform decision-making and prioritize conservation actions. For example, research conducted in Hawaii and the Western Central Pacific has been instrumental in assessing population declines and informing recovery strategies.

Moreover, engaging with various stakeholders is essential for successful species recovery. The recovery plan involves collaboration with fishermen, environmental organizations, academic experts, researchers, and international management organizations. By involving diverse perspectives and expertise, the plan aims to leverage collective knowledge and resources to support the recovery of the oceanic white tip shark.

Overall, the multi-faceted approach outlined in the recovery plan underscores the importance of combining scientific research, stakeholder engagement, and strategic goal-setting to effectively conserve and recover threatened species like the oceanic white tip shark.

On this episode of Beyond Jaws, join Andrew Lewin and Dr. David Ebert as they chat with Chantel Elston, a postdoc student from SIAB, about her research on stingrays in South Africa. Discover Chantel's successful YouTube science communication channel with 25,000 subscribers, her passion for marine science, and insights into marine careers. Tune in for a deep dive into the world of flat sharks and Chantel's fascinating journey in marine research and science communication.

Check out Chantel's YouTube channel: https://www.youtube.com/@TellysMarineTales/featured

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Chantel Elston is a dedicated marine scientist and conservationist whose research focuses on threatened sharks and rays, particularly stingrays. Her passion for marine biology and elasmobranchs, such as stingrays, developed during her childhood, leading her to pursue a career in marine science with a focus on these lesser-studied vertebrates.

During her postdoc in South Africa, Chantel utilized acoustic telemetry to track stingray movements and studied their dietary habits through stomach content and stable isotope analysis. This research aimed to fill knowledge gaps and contribute to the conservation of these species. Chantel's commitment to engaging the public in marine conservation efforts is evident through her involvement in citizen science projects like Elmo Africa, where individuals report shark and ray sightings and collect egg cases to contribute to marine research.

Through her YouTube channel, Telly's Marine Tales, Chantel effectively communicates marine science topics to a broader audience. One of her notable videos addresses the debate between farm-raised and wild-caught salmon, highlighting the environmental and health implications of salmon farming. By addressing relevant and controversial issues in marine conservation, Chantel's diverse research background and dedication to studying threatened sharks and rays demonstrate her passion for marine conservation and raising awareness about these important marine species.

Chantel Elston manages the citizen science project Elmo Africa in South Africa, which allows the public to report shark and ray sightings along the coastline. The project aims to create a database of citizen science data related to these species, encouraging individuals to report sightings and collect shark egg cases for research. Chantel has been involved with Elmo Africa since her master's days, working to grow and manage the project and collaborating with local NGOs to enhance public engagement in marine conservation efforts.

Through her YouTube channel, Telly's Marine Tales, Chantel discusses various marine science topics, including the debate between farm-raised and wild-caught salmon. By conducting thorough research and presenting information in an engaging manner, Chantel educates her viewers on critical marine science issues, sparking discussions and raising awareness about important environmental and conservation topics.

Today's episode features Dr. David Ebert discussing a newly released field guide to sharks, rays, and chimaeras of the East Coast of North America, co-authored with Marc Dando. The guide is designed to help identify these fascinating elasmobranch species. The episode delves into the history of shark science, from early misconceptions to the growth of the field and public interest, spurred by movies like Jaws. Listen to the Beyond Jaws podcast to learn more about shark scientists and their work beyond the realm of fear-inducing stereotypes.

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Princeton Press: https://press.princeton.edu/books/paperback/9780691206387/field-guide-to-sharks-rays-and-chimaeras-of-the-east-coast-of-north

Amazon: https://www.amazon.com/Field-Sharks-Chimaeras-America-Nature/dp/0691206384/ref=tmm_other_meta_binding_swatch_0?_encoding=UTF8&dib_tag=se&dib=eyJ2IjoiMSJ9.MmtU26mctpU9oWs-iHl9Oj7FGgLdNJzoulVHs62dOh2_fzvZ_UqdqfBkud3kCCOpmbRmRbb-exgC1Bu4aw-WP6SYwaft5XW_tG56eGut-OwIeT2yp0NsFsKoiET6sjxK9Qt8UgKp4gV_6BBsp-BW4kHysQIZOjIIlukgLC7eOPhgboEc5YJJl541THpp5EsvJXrDB-qqisgMbgKnyLRECqn8om4D7EPVTkw8OazzXEA._WUlFKrLA1d7-iyRi0U0PZ1u_1RwhlZ7nAIuWVxKUak&qid=1714956730&sr=1-5

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"The Field Guide to Sharks, Rays, and Chimeras of the East Coast of North America" is a newly released book authored by Dr. David Ebert and Marc Dando. This book serves as a valuable resource for a wide range of individuals, including shark enthusiasts, scientists, and students. Here are some key points highlighting the value of this book:

1. Identification and Information: The book is designed to help readers identify and learn about the various species of sharks, rays, and chimeras found along the East Coast of North America, including the Gulf of Mexico. With detailed illustrations by Marc Dando, the book provides comprehensive information on 173 species, including their morphology, distribution, and behavior.

2. Educational Tool: For students interested in marine biology, conservation, or shark science, this field guide offers a wealth of information. It can be used as a reference for research projects, species identification, and understanding the diversity of elasmobranchs in the region.

3. Conservation and Management: The book is not only informative but also serves as a tool for conservation and management efforts. By providing detailed information on lesser-known species and highlighting the importance of studying flat sharks, ghost sharks, and other less charismatic species, the book encourages a broader perspective on shark conservation.

4. Inspiration for Future Research: Dr. David Ebert's passion for lost sharks and deep-sea species is evident in the book. His dedication to studying and documenting these lesser-known species can inspire future scientists to explore new avenues of research within the field of elasmobranch biology.

5. Practical Use: The book is not just for academics but also for enthusiasts and beachgoers. It can be a handy guide for those interested in shark watching, beachcombing, or even diving. The detailed descriptions, illustrations, and identification keys make it accessible to a wide audience.

In conclusion, "The Field Guide to Sharks, Rays, and Chimeras of the East Coast of North America" is a valuable resource that bridges the gap between scientific knowledge and public understanding of elasmobranch species. It serves as a comprehensive guide for anyone interested in learning more about the diverse marine life along the East Coast and Gulf of Mexico.

Dr. David Ebert's passion for sharks and dedication to sharing knowledge through books has inspired many individuals to pursue further studies in shark science. Throughout the episode, Dr. Ebert discussed his journey as an author, highlighting how his first book, "A Guide to the Sharks and Rays of Southern Africa," was a collaborative effort with his advisor, Leonard Campagno. Despite initial challenges in convincing publishers to take on the project, the book became a classic and a valuable resource for fishermen, beachgoers, and scientists alike.

Dr. Ebert's extensive experience and expertise in the field of shark science have led to the publication of 36 books, including field guides and in-depth studies on various shark species. His books not only serve as educational tools but also inspire the next generation of shark scientists. Dr. Ebert mentioned how some of his students have been motivated to pursue graduate studies or research projects based on the information presented in his books.

Moreover, Dr. Ebert's collaboration with illustrator Mark Dando has resulted in visually stunning and informative illustrations in his books. The detailed artwork and comprehensive species accounts provide readers with a deeper understanding of sharks, rays, and chimeras found on the East Coast of North America. By incorporating anecdotal information and observations from his decades-long career, Dr. Ebert's books offer a unique perspective and insight into the world of elasmobranchs.

Dr. Ebert's dedication to sharing his knowledge and passion for sharks through his books has not only contributed to the scientific community but has also sparked interest and curiosity in individuals outside the field. His books serve as a bridge between scientific research and public awareness, making complex information accessible and engaging for a wider audience. Through his work, Dr. Ebert continues to inspire and educate others about the importance of shark conservation and the fascinating world of elasmobranchs.

The detailed illustrations in the book, created by Marc Dando, provide a comprehensive visual guide to identifying various shark, ray, and chimera species along the East Coast of North America. The illustrations in the book are described as incredibly detailed, capturing not only the lateral view of the species but also the ventral surface, teeth, gills, and even egg cases. These illustrations are crucial for aiding in the identification of these elasmobranch species, especially for individuals out in the field, whether at the beach, on a boat, or even in a museum setting.

Dr. David Ebert, the co-host of the podcast, emphasizes the importance of having such detailed illustrations in a field guide. He mentions that while the text in the book is informative, it is often the illustrations that people gravitate towards for identification purposes. The illustrations by Marc Dando are not only realistic but also provide a level of detail that is essential for distinguishing between similar species, especially when encountering them in their natural habitats.

The book covers a wide range of species, including 92 sharks, 72 rays and skates, and nine chimeras, totaling 173 species. The inclusion of such a diverse array of species in the book highlights the need for accurate and detailed illustrations to aid in identification. Dr. Ebert also mentions the importance of capturing the natural coloration of the species in the illustrations, as this can be crucial for accurate identification, especially in the case of rare or lesser-known species.

Overall, the detailed illustrations by Marc Dando in the book serve as a valuable resource for shark enthusiasts, scientists, and conservationists alike. They not only enhance the visual appeal of the book but also play a significant role in helping readers accurately identify and learn about the various shark, ray, and chimera species found along the East Coast of North America.

Dr. Britt Finucci and Dr. David Ebert discuss a recent paper on the extinction of deep-sea shark species due to fishing for the liver oil trade. They delve into the history of shark science, from public perceptions shaped by movies like Jaws to the diverse fields within shark science today.

Tune in to the Beyond Jaws podcast to explore the work of shark scientists and deepen your understanding of these fascinating species.

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Deep sea shark species are often overlooked in conservation efforts, despite being vital components of the marine ecosystem. The podcast episode highlighted the significance of these deep sea sharks, which consist of around 500 species. Unfortunately, due to their remote habitats and low visibility, they are frequently excluded from conservation conversations.

The episode stressed the importance of raising awareness about the challenges faced by deep sea sharks. These species are slow-growing, long-lived, and produce few offspring, making them highly susceptible to overfishing. The historical practice of extracting liver oil from deep sea sharks poses a significant threat to their populations.

A key takeaway from the episode is the urgent need for improved management and conservation strategies for deep sea shark species. The paper discussed in the episode recommended implementing spatial closures and vertical refuge measures to safeguard these vulnerable species. Additionally, there was an emphasis on ensuring that any utilization of deep sea sharks, particularly for liver oil trade, is sustainable and traceable.

The episode also shed light on the difficulties in monitoring and managing deep sea shark fisheries. These fisheries often operate in remote areas, making it challenging to monitor their activities effectively. The lack of resources and monitoring in these regions further compounds the conservation challenges faced by deep sea sharks.

Overall, the podcast episode underscored the importance of giving more attention to deep sea shark species in conservation efforts. By increasing awareness, implementing effective management strategies, and engaging a diverse group of stakeholders, we can work towards protecting these often overlooked and vulnerable marine creatures.

The Beyond Jaws podcast episode highlighted the challenges associated with tracking and managing deep sea shark liver oil fisheries. One of the key points discussed was the difficulty in monitoring these fisheries due to their remote locations and the lack of resources for effective oversight.

• Remote Locations: The fishery for deep sea shark liver oil often occurs in isolated areas, far from regular monitoring efforts. As mentioned in the episode, some of these activities take place in remote villages and towns, making it difficult for authorities to monitor fishing activities.

• Lack of Resources: Another significant obstacle in managing these fisheries is the insufficient resources for monitoring. Many countries where these fisheries operate lack the financial or human resources to monitor all locations where these activities occur. This lack of monitoring can lead to unregulated and unsustainable fishing practices.

• Limited Awareness: The general public and policymakers may not fully grasp the extent of these fisheries and their impact on deep sea shark populations. Without awareness and understanding of the issue, advocating for better management practices becomes even more challenging.

• Complex Supply Chains: The processing and distribution of shark liver oil involve multiple countries and processing plants, making it challenging to trace the origin of products. This complexity in the supply chain adds another layer of difficulty in monitoring and managing the fishery.

• Need for Improved Monitoring: The episode stressed the importance of enhancing monitoring efforts to ensure the sustainability of deep sea shark populations. By developing tools to identify and trace shark liver oil products, researchers and conservationists can work towards better management practices.

In conclusion, the fishery for deep sea shark liver oil presents unique challenges in tracking and managing due to its remote locations, limited monitoring resources, and complex supply chains. Addressing these challenges will require collaborative efforts from researchers, policymakers, and conservationists to ensure the sustainable management of these valuable marine resources.

On this episode of the Beyond Jaws podcast, conservation biologist Eva Myers discusses her work with the Angel Shark Conservation Project and Network. Discover how Eva built a network to study angel sharks in the Canary Islands, highlighting the communication and effort involved. Dive into the evolution of shark science from the early 1900s to the present day, exploring the growing public interest sparked by movies like Jaws. Join hosts Andrew Lewin and Dr. David Ebert as they delve into Eva's journey studying angel sharks and the importance of understanding these fascinating species beyond their fearsome reputation.

Website: https://angelsharknetwork.com/

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Building a successful conservation project and network requires dedication, passion, and the ability to trust and let go when necessary. Eva Myers, the conservation biologist behind the Angel Shark Conservation Project, exemplifies these qualities in her work. Eva's journey in studying angel sharks started with a chance encounter during her marine biology studies in the Galapagos Islands. Despite not initially planning to work on angel sharks, Eva's passion for marine ecology led her to pursue research on this lesser-known species.

As Eva's project grew, she faced numerous challenges, including balancing her work with consultancies, family responsibilities, and limited funding. However, Eva's dedication and passion for angel shark conservation kept her motivated to push forward. She emphasized the importance of trusting colleagues and letting go when necessary to ensure the project's success. This approach allowed the Angel Shark Conservation Project to expand globally, establishing a network of researchers, conservationists, and stakeholders working towards a common goal.

Eva's experience highlights the significance of building relationships and collaborations within the conservation community. By involving diverse stakeholders, including government representatives, researchers, and local communities, Eva was able to advocate for angel shark protection and conservation measures effectively. The project's success in getting angel sharks protected in Spain and gaining recognition at international events like the CMS COP demonstrates the impact of dedicated conservation efforts.

Overall, Eva's journey underscores the essential qualities required to build a successful conservation project and network. Dedication, passion, and the ability to trust and let go when necessary are crucial for overcoming challenges, fostering collaborations, and achieving conservation goals. Eva's story serves as an inspiration for conservationists and researchers looking to make a positive impact on endangered species and marine ecosystems.

In the podcast episode featuring Eva Myers, the importance of highlighting success stories in conservation efforts is emphasized. Eva discusses the significance of showcasing positive outcomes to inspire hope and encourage further action in the field of conservation. One key success story mentioned is the protection of angel sharks in Spain, which was achieved in 2019. This accomplishment was a result of collaborative efforts involving various stakeholders, including government representatives, researchers, and conservationists.

Eva also mentions the need to communicate these success stories effectively to the public and policymakers. She highlights the importance of showcasing the progress made in conservation initiatives, such as the establishment of marine protected areas and the development of recovery plans for endangered species like angel sharks. By sharing these success stories, Eva believes that governments and other stakeholders can be motivated to prioritize conservation efforts and take proactive steps towards protecting biodiversity.

Furthermore, Eva emphasizes the role of building connections between the scientific community and policymakers to bridge the gap between data-driven research and policy implementation. By establishing strong relationships and communication channels, conservationists can ensure that the data gathered is utilized effectively to inform decision-making processes and drive positive conservation outcomes.

Overall, the podcast episode underscores the value of highlighting success stories in conservation as a means to inspire hope, showcase effective strategies, and encourage continued action towards protecting and preserving the environment and its biodiversity.

Effective communication and collaboration between scientists, policymakers, and the public are crucial for successful conservation initiatives. In the podcast episode with Eva Myers, the conversation highlighted the importance of building relationships and engaging with various stakeholders to achieve conservation goals. Eva mentioned the significance of involving different parties in the decision-making process, including government representatives, researchers, and the public.

Eva emphasized the need for open dialogue and active engagement with policymakers to ensure that conservation efforts are understood and supported at the policy level. She mentioned the success story of getting angel sharks protected in Spain, which required collaboration with government officials and the development of a recovery plan. This example showcases how effective communication and cooperation with policymakers can lead to positive conservation outcomes.

Furthermore, Eva discussed the value of engaging with the public and building awareness around conservation issues. She highlighted the importance of sharing success stories and highlighting the positive impact of conservation initiatives to inspire and motivate the public. By involving the public in conservation efforts and showcasing the benefits of protecting species like angel sharks, it becomes easier to garner support and participation from the broader community.

Overall, the podcast episode with Eva Myers underscores the essential role of effective communication and collaboration in conservation work. By fostering relationships with scientists, policymakers, and the public, conservation initiatives can gain momentum, achieve tangible results, and create a lasting impact on biodiversity and ecosystem health.

In this episode of the Beyond Jaws podcast, special guest Alison Towner discusses her career studying great white sharks in South Africa. The conversation delves into her journey from the UK to South Africa, her research on orcas impacting great white populations, and the evolution of shark science over the years.

Tune in to learn about Alison's fascinating work and gain a deeper understanding of these incredible species.

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The presence of killer whales, specifically known as Port and Starboard, in South Africa, particularly in areas like Hans Bay, has had a profound impact on the white shark population. These killer whales, specialized in hunting elasmobranchs, have been targeting white sharks along the coastal areas, leading to a significant decline in their numbers. The killer whales have been observed hunting and preying on white sharks, resulting in eviscerated carcasses and altered behavior in the white shark population.

The continuous presence of killer whales in these areas has caused white sharks to flee from their traditional aggregation sites, such as Dire Island, leading to a shift in their distribution and abundance. The predatory pressure exerted by the killer whales has disrupted the coastal ecology, causing a ripple effect on other marine species. For example, the increased predation on white sharks has led to changes in the behavior of other mesopredators like bronze whaler sharks and an increase in competition for food resources among species like Cape fur seals and African penguins.

The impact of killer whales on the white shark population has been a cause for concern among researchers and conservationists. The rapid decline in white shark numbers in areas like Hans Bay has raised questions about the broader implications of such predator-prey dynamics on marine ecosystems. The altered coastal ecology due to the presence of killer whales highlights the interconnectedness of species and the delicate balance within marine environments.

The relocation and behavioral changes observed in white sharks, possibly in response to the predatory pressure from killer whales, suggest a complex and evolving relationship between these apex predators. The relocation of white sharks to offshore areas and unexpected fishing grounds indicate a potential shift in their foraging behavior and distribution patterns. This adaptation to avoid predation by killer whales showcases the resilience and adaptability of white sharks in response to changing environmental pressures.

The behavior of killer whales, specifically the pair known as Port and Starboard, targeting and hunting white sharks has caused significant disruptions in the marine ecosystem in South Africa. The presence of these killer whales has led to a decrease in the white shark population in areas like Hans Bay, Mossel Bay, and False Bay. This decline in white sharks has had a cascading effect on other species in the ecosystem.

One of the consequences of the decline in white sharks is the increase in Cape fur seals, as mentioned in the episode. With fewer white sharks preying on them, the Cape fur seal population has exploded, leading to potential competition for food resources with other species like African penguins. The increased predation pressure from Cape fur seals on African penguins can have detrimental effects on the penguin population, further disrupting the balance of the ecosystem.

The impact of killer whales on the marine ecosystem goes beyond just the direct predation on white sharks. The presence of these apex predators can alter the behavior and distribution of other species in the area. For example, the displacement of white sharks from their traditional habitats can lead to shifts in the distribution of mesopredators like bronze whaler sharks. This shift in predator dynamics can have far-reaching consequences on the entire food web in the region.

The rapid and significant changes observed in the marine ecosystem due to the hunting behavior of killer whales highlight the interconnectedness of species and the delicate balance that exists in natural ecosystems. The disruptions caused by the targeted predation on white sharks by killer whales serve as a stark reminder of the complex interactions that govern marine ecosystems and the potential consequences of altering these dynamics.

The movement and distribution of white sharks in South Africa have shown fluctuations, potentially indicating shifts in their range and behavior in response to the presence of killer whales. Alison Towner, a shark scientist, discussed how the arrival of killer whales, specifically a pair named Port and Starboard, in South Africa in 2017 has had a significant impact on the white shark population. The killer whales, known for their specialized hunting of elasmobranchs, particularly sharks, have caused white sharks to alter their behavior and distribution patterns.

Initially, the white sharks in areas like Hans Bay and Mossel Bay experienced displacement and a decrease in numbers due to the presence of the killer whales. The orcas' hunting tactics, such as targeting white sharks and consuming their livers, have led to a rapid decline in the white shark population in these regions. The impact of the killer whales has been profound, with white sharks avoiding their traditional aggregation sites and coastal areas where the orcas are known to hunt.

The response of the white sharks to the presence of killer whales has been observed to vary. Some sharks have relocated to different areas, possibly offshore, where they are less likely to encounter the orcas. This behavior suggests a potential shift in the range and distribution of white sharks in response to the threat posed by the killer whales. The fluctuations in the white shark population and their movements highlight the complex interactions between apex predators and the cascading effects on marine ecosystems.

Overall, the arrival of killer whales in South Africa has disrupted the established dynamics of the marine environment, leading to changes in the behavior and distribution of white sharks. The ongoing research and monitoring of these interactions are crucial to understanding the long-term implications for the white shark population and the broader marine ecosystem in South Africa.

Today on the Beyond Jaws podcast, Maria Cristina Oddone from Brazil shares her research on sharks and rays. Dive into the cellular level of shark science with her fascinating work. Join hosts Andrew Lewin and Dr. David Ebert as they explore the evolution of shark science from the early days of fear and curiosity to the diverse fields within the field today. Discover the incredible work of shark scientists like Maria Cristina Odane and expand your knowledge beyond jaws.

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• Maria Cristina Oddone's Accomplishments: Maria Cristina Oddone is a highly accomplished individual with a diverse range of interests and passions. She has made significant contributions to the field of shark research, particularly focusing on skates and skate egg cases. Her work in developmental biology, embryology, reproductive biology, taxonomy, phylogeny, fisheries, and conservation of chondrichthyans has been widely recognized. Maria has published over 75 papers and book chapters, showcasing her expertise in the field.

• Passion for Running: In addition to her academic achievements, Cristina is an avid runner. She started running at a young age and has continued to pursue this passion throughout her life. She competes in various distances, including 3, 5, and 10 kilometers, and is currently training for a half marathon. Running provides her with a mental escape and has even sparked creative ideas for her work while on the track.

• Love for Poetry: Cristina's talents extend beyond the scientific realm. She has been writing poetry since the age of 12 and has a deep appreciation for the art form. Despite not sharing her poetry widely, she dreams of organizing her poems into a book someday. Her ability to express herself through poetry showcases her creativity and introspective nature.

• Animal Rescue and Love for Cats: Cristina's compassion for animals is evident in her dedication to animal rescue. She has rescued four cats and a dog, all of whom were taken in from the streets. Her love for animals, especially cats, is a significant part of her life and reflects her caring and nurturing personality.

• Balancing Multiple Passions: Maria's ability to balance her academic career, running, poetry, and animal rescue is truly remarkable. She finds time for each of her passions, demonstrating her commitment and dedication to the things she loves. Despite the challenges of juggling multiple interests, Cristina's drive and perseverance allow her to excel in various areas of her life.

• Advice for Young Aspiring Scientists: Cristina's journey serves as an inspiration for young individuals aspiring to pursue a career in science. Her advice to not give up on dreams, despite obstacles or discouragement, resonates with those facing similar challenges. Maria's story highlights the importance of perseverance, passion, and support in achieving one's goals and making a meaningful impact in the world.

• Maria Cristina Oddone shared a personal anecdote from her childhood where an old friend of her mother's discouraged her from pursuing biology and oceanography, stating that it was a useless career choice. Despite facing this discouragement, Cristina remained determined to follow her dreams.

• She highlighted the crucial role her parents played in supporting and encouraging her aspirations, providing her with books, opportunities, and unwavering support.

• Cristina's journey serves as a testament to the importance of perseverance and resilience in the face of adversity. Despite being told that her chosen path was not valuable, she stayed true to her passion for biology and oceanography.

• Her advice to young people is to continue pursuing their dreams and not give up, even when faced with skepticism or negativity from others. She believes that with effort, work, and perseverance, anything is possible.

• Cristina's own experiences exemplify the power of determination and belief in oneself, showing that with dedication and persistence, one can overcome obstacles and achieve their goals.

• Maria's ability to quickly learn and teach a subject, such as embryology, showcases her talent and dedication to her work and students. This was evident when Maria mentioned that she wanted to teach embryology but felt she needed to enhance her knowledge in that area. She took a course in embryology and then successfully secured a position as a substitute professor in the field. This demonstrates Maria's proactive approach to learning and her commitment to providing quality education to her students.

• Cristina's willingness to take on new challenges and quickly adapt to new subjects highlights her versatility and passion for continuous learning. Despite not having prior formal education in embryology, she was able to grasp the concepts efficiently and effectively teach them to her students. This ability to quickly learn and teach a complex subject like embryology reflects Cristina's intellectual acumen and dedication to her role as an educator.

• Cristina's success in teaching embryology also underscores her strong work ethic and determination. By taking the initiative to acquire the necessary knowledge and skills in a short period, she exemplifies a proactive and dedicated approach to her professional development. Her commitment to enhancing her expertise in embryology not only benefits her own growth but also enriches the educational experience for her students, showcasing her dedication to providing high-quality instruction.

• Overall, Cristina's ability to swiftly learn and teach a subject like embryology exemplifies her talent, dedication, and passion for her work and students. Her proactive attitude towards professional development, coupled with her commitment to delivering exceptional education, sets her apart as a highly skilled and devoted educator in the field of shark science and academia.

In this episode, we hear from Ava Domenicelli, an intern at Dr. Lowe's Shark Lab, who created a successful 15-minute documentary about sharks with over 6,000 views on YouTube. She shares her journey, from the inception of the documentary to the challenges and successes she encountered along the way.

Tune in to discover how she brought her story to life and the reactions from her family, friends, and viewers. The episode highlights the power of storytelling and determination in sharing a passion for sharks.

Link to the Mini-Documentary: https://www.youtube.com/watch?v=7ztvzjhdAEQ

Connect with us:

Website: https://bit.ly/37TMqeK
Instagram: https://bit.ly/3eorwXZ

Beyond Jaws is supported by Save Our Seas
Website: https://saveourseas.com/

Dave: 
Website: https://www.lostsharkguy.com/
Instagram: https://bit.ly/3q1J9Q5

Andrew:
Website: https://www.speakupforblue.com/
Instagram: https://bit.ly/37g5WkG

Ava, a journalism major with a passion for film, demonstrated her storytelling skills and commitment to raising awareness about sharks through her successful 15-minute documentary on Dr. Lowe's Shark Lab. Despite lacking a science background, Ava embraced the challenge of creating a documentary that highlighted the research conducted at the Shark Lab.

Throughout the episode, Ava's enthusiasm and storytelling passion shone through. She shared how she initially joined the Shark Lab as a public relations media intern, immersing herself in the world of shark science. Despite lacking experience in editing or documentary creation, Ava dedicated herself to producing a compelling video that captured the essence of the Shark Lab.

Ava's documentary not only showcased the scientific work at the Shark Lab but also aimed to shift public perceptions of sharks. By sharing researchers' stories and emphasizing shark conservation, Ava's documentary served as a powerful educational tool, informing viewers about the importance of these apex predators.

The success of Ava's documentary, with over 6,000 views in just a month, speaks to her storytelling skills and ability to engage audiences. Through her dedication, Ava created a piece of media that not only highlighted Shark Lab research but also inspired others to learn more about sharks and conservation efforts.

Ava's journey from a journalism major to creating a successful documentary on shark science exemplifies the impact storytelling can have in raising awareness and promoting conservation. Her passion for film and dedication to sharing important stories have significantly contributed to shark science and conservation efforts.

The episode underscored the power of digital media in reaching broad audiences and sparking interest in shark conservation through Ava's successful video. Posted on YouTube, the video garnered over 6,000 views in just a month, showcasing the influence of online platforms in spreading awareness about shark science and conservation.

Ava's documentary not only highlighted Dr. Chris Lowe's Shark Lab at California State University, Long Beach but also served as an educational tool, engaging viewers in the world of shark research. The significant viewership in a short period demonstrated the reach and impact of digital media in communicating scientific information to a wide audience.

The success of the video emphasized the importance of utilizing online platforms like YouTube to share stories, raise awareness, and promote conservation efforts. By leveraging digital media, Ava captured the attention of thousands of viewers, potentially inspiring them to learn more about sharks and their conservation.

Overall, the episode highlighted how digital media, such as YouTube, can be a powerful tool in spreading knowledge, fostering interest, and driving positive change in shark conservation. Ava's video stands as a testament to the impact of online content in engaging audiences in scientific topics and conservation initiatives.

Ava's internship at the Shark Lab not only provided valuable experience in media relations but also opened networking opportunities with major networks like Good Morning America, setting her on a promising career path in the media industry.

During the podcast episode, Ava shared her journey as an intern at Dr. Chris Lowe's Shark Lab at California State University, Long Beach. As a journalism major with a passion for film, Ava's internship allowed her to delve into the world of media relations within the scientific community. Through her work on a 15-minute documentary for the Shark Lab, Ava honed her storytelling and video production skills while gaining exposure to the inner workings of a research lab.

One significant outcome of Ava's internship was the networking opportunities it provided. Working closely with the Shark Lab and engaging in media relations allowed Ava to interact with various professionals in the field. These connections, including those with major networks like Good Morning America, validated her work and opened doors for potential future collaborations.

The exposure to such prominent networks not only affirmed Ava's skills and creativity but also paved the way for a promising career in the media industry. The connections made during her internship could serve as a stepping stone for future opportunities in film and television production. Ava's dedication to storytelling, combined with the networking opportunities from her internship, has laid a solid foundation for her to pursue a successful career in media.

On this episode of the Beyond Jaws podcast, Lauren Meyer from Flinders University discusses her research on iconic megafauna like great white sharks and cuttlefish, exploring trophic levels, food webs, and surprising diet preferences of tiger sharks. Delve into the evolution of shark science, from early perceptions to the impact of movies like Jaws, and learn about the diverse fields within shark science. Join us as we uncover the work of shark scientists from the American Elasmobranch Society, helping you expand your knowledge Beyond Jaws.

Connect with us:

Website: https://bit.ly/37TMqeK
Instagram: https://bit.ly/3eorwXZ

Beyond Jaws is supported by Save Our Seas
Website: https://saveourseas.com/

Dave: 
Website: https://www.lostsharkguy.com/
Instagram: https://bit.ly/3q1J9Q5

Andrew:
Website: https://www.speakupforblue.com/
Instagram: https://bit.ly/37g5WkG

Lauren Meyer's research on white sharks and tiger sharks has unveiled surprising insights about their diet and interactions with human activities. In a recent podcast episode, Lauren delves into her work on these apex predators, focusing on their feeding ecology and the impact of human activities on their diet and nutrition.

• Lauren's study on white sharks involved examining the effects of white shark cage diving on their diet. Despite the use of southern bluefin tuna as bait during cage diving operations, the research found that white sharks still primarily feed naturally, with incidental baits having minimal impact on their diet and nutrition.

• The study also highlighted that non-target species like yellowtail kingfish and silver trevally were consuming leftover baits and burley particles, shedding light on the unintended consequences of shark tourism on other marine species.

• Lauren's postdoctoral research focused on understanding the global diet of tiger sharks, known for preying on turtles and seabirds. The study aimed to explore the potential impact of plastic ingestion by tiger sharks due to their dietary habits.

• An unexpected discovery during the research in Norfolk Island revealed that tiger sharks were predominantly feeding on seabirds rather than cow offal, which was initially believed to be a significant part of their diet.

• Tracking tiger sharks with satellite tags unveiled their consistent migrations from Norfolk Island to New Caledonia, showcasing the extensive movements of these top predators.

• Lauren's research challenges common perceptions about the diet and feeding behaviors of white sharks and tiger sharks, emphasizing the intricate interactions between these predators, their prey, and human activities such as shark tourism and waste management.

• Understanding the dietary preferences and migration patterns of white sharks and tiger sharks is vital for conservation efforts and ecosystem management. By uncovering these insights, researchers like Lauren Meyer contribute valuable knowledge to the field of shark science and marine conservation.

The Global White Shark Conference organized by Flinders University surpassed expectations, drawing 170 delegates and presenting cutting-edge research and insights in the realm of shark science. Initially projected to have around 100 attendees, the conference exceeded this estimate, underscoring the significant interest and enthusiasm surrounding white shark research.

The conference was a collaborative endeavor involving key figures in the field, including Enrique Cortes, who played a crucial role in organizing and coordinating the event. Despite the challenges posed by the COVID-19 pandemic, the team persevered and successfully brought together a diverse group of researchers, scientists, and enthusiasts to discuss and share their knowledge about white sharks.

The conference format departed from the traditional 15-minute presentation style, opting for a more engaging and interactive approach. By skipping introductory sessions on white sharks, the conference delved straight into the latest research findings, cutting-edge insights, and innovative approaches in shark science. This shift aimed to keep the audience engaged and focused on the most relevant and impactful information in the field.

The success of the Global White Shark Conference can be attributed to the dedication and passion of the organizers, speakers, and attendees. The event provided a platform for researchers to exchange ideas, collaborate on projects, and showcase their contributions to the field of shark science. Covering a diverse range of topics, from feeding ecology to conservation efforts, the conference underscored the depth and breadth of research being conducted in the realm of white shark studies.

Overall, the Global White Shark Conference served as a testament to the growing interest and importance of shark science, bringing together experts and enthusiasts to advance our understanding of these fascinating marine creatures. The event not only exceeded expectations but also set a high standard for future conferences in the field, promising continued growth and innovation in shark research.

Enrique Cortes shared a humorous anecdote during the podcast episode, highlighting the unpredictable nature of fieldwork in shark science. The mishap involved a research expedition to Norfolk Island, where Enrique and his team were studying tiger sharks. The plan was to use Norfolk Island as a control site due to its remote location and lack of plastic pollution. However, things took an unexpected turn when they discovered that the bait being used for the study was cow offal.

Enrique described how the team arrived at the island, only to find out that the bait consisted of cow parts being thrown into the water from a cow shoot on the island. This revelation completely changed the dynamics of their research, as the team had to navigate around the presence of cow offal in the water, which was not part of their original plan.

To add to the comedic nature of the situation, Enrique mentioned that the island also had a unique history, being one of Australia's first penal colonies and home to descendants of a famous mutiny. The island's quirky characteristics, combined with the unexpected cow offal bait, made for a memorable and humorous research experience.

Despite the unexpected challenges, Enrique and his team made the most of the situation, adapting their research methods and continuing their study on tiger sharks in the area. The mishap served as a reminder of the unpredictable nature of fieldwork in shark science and the importance of being flexible and resourceful in the face of unexpected circumstances.

Join us on this episode of Beyond Jaws as we chat with Enric Cortes, a retired shark scientist from NOAA Fisheries. Discover his fascinating career spanning 25 years and learn about his plans for retirement. Tune in to explore the evolution of shark science and the diverse fields within the industry.

Don't miss out on this insightful episode shedding light on these mysterious ocean creatures.

Connect with us:

Website: https://bit.ly/37TMqeK
Instagram: https://bit.ly/3eorwXZ

Beyond Jaws is supported by Save Our Seas
Website: https://saveourseas.com/

Dave: 
Website: https://www.lostsharkguy.com/
Instagram: https://bit.ly/3q1J9Q5

Andrew:
Website: https://www.speakupforblue.com/
Instagram: https://bit.ly/37g5WkG

Shark stock assessments are crucial for understanding the status of shark populations and informing management decisions. In a podcast episode featuring Enric Cortes, a retired shark scientist specializing in stock assessments at NOAA Fisheries, the importance of these assessments was emphasized.

Enric's extensive experience in conducting stock assessments for Atlantic sharks highlighted the significance of these assessments in evaluating the health and sustainability of shark populations. Stock assessments involve analyzing data on shark catches, bycatch, abundance indices, and biological information to estimate population size, growth rates, mortality rates, and reproductive parameters.

Through stock assessments, scientists like Enric can determine the abundance of shark species, assess their reproductive potential, and evaluate the impact of fishing pressure on their populations. This information is essential for fisheries management to set sustainable catch limits, implement conservation measures, and protect vulnerable shark species.

Enric's work in stock assessments not only provided valuable insights into the status of shark populations but also contributed to the development of management strategies to ensure the long-term viability of shark species. By combining data-driven analysis with ecological knowledge, stock assessments help guide policymakers, resource managers, and conservationists in making informed decisions to protect and sustainably manage shark populations.

The podcast episode underscored the critical role of stock assessments in shark science and emphasized the importance of continued research and monitoring to safeguard the future of these iconic marine species.

In the Beyond Jaws podcast episode featuring Enric Cortes, a retired shark scientist, the conversation highlighted the critical role of data collection and monitoring programs in shark research and conservation efforts. Here's how the episode emphasized the significance of these programs:

1. Foundation of Research: Enric emphasized the importance of having real data as the foundation for any assessment or research in shark science. He stressed that without accurate and reliable data, the outcomes of research and conservation efforts could be compromised. Data collection forms the basis for understanding shark populations, behaviors, and ecological interactions.

2. Diversity in Data Sources: The episode discussed various sources of data used in shark research, including catches, bycatch information, indices of abundance, and biological data. These diverse data sources provide insights into different aspects of shark populations, such as population dynamics, reproductive patterns, and age and growth characteristics.

3. Challenges in Data Collection: Enric highlighted the challenges in data collection, especially in the realm of biological information for sharks. The lack of comprehensive data on aspects like age and growth, natural mortality, and reproductive parameters poses significant challenges in understanding and managing shark populations effectively.

4. Need for Continued Investment: The episode underscored the ongoing need for investment in data collection and monitoring programs. Enric emphasized the importance of maintaining and expanding these programs to gather essential information for informed decision-making in shark conservation and management.

5. Utilizing Advanced Techniques: The conversation touched upon the use of advanced techniques like satellite telemetry studies to enhance data collection and monitoring efforts. Enric suggested maximizing the potential of these technologies to estimate critical parameters like natural mortality, which are fundamental for robust stock assessments and conservation strategies.

6. Ensuring Data Reliability: The episode highlighted the significance of ensuring data reliability in shark research. By focusing on improving data quality and accuracy, researchers can enhance the credibility and effectiveness of conservation measures aimed at protecting shark populations.

In conclusion, the Beyond Jaws podcast episode with Enric Cortes emphasized the indispensable role of data collection and monitoring programs in advancing shark research and conservation initiatives. The episode highlighted the need for comprehensive and reliable data to support evidence-based decision-making and sustainable management practices in the field of shark science.

Transitioning into retirement offers a unique opportunity for individuals like Enric Cortes to pursue personal interests while continuing to contribute to the field of shark science. In the podcast episode, Enrique shared his plans for retirement, which included engaging in activities that he enjoys, such as going back into the field to conduct hands-on research rather than solely relying on computer screens for data analysis.

Enric expressed a desire to have fun and return to the "good old days" of fieldwork, emphasizing the importance of experiencing the work firsthand rather than being confined to desk work. This highlights the idea that retirement can provide a chance to rekindle the passion for the field and engage in activities that may have taken a backseat during a busy career.

Moreover, Enric mentioned the abundance of unanswered questions in shark research, indicating that retirement could be a time to delve deeper into these inquiries. He highlighted the need for better utilization of existing data, such as satellite telemetry studies, to extract valuable insights that can enhance the reliability of research findings. This showcases how retirement can offer the freedom to explore new avenues of research and contribute to the advancement of knowledge in the field.

Overall, the episode conveys the message that retirement is not just about stepping back from work but also about finding new ways to stay engaged and make meaningful contributions. Enric's enthusiasm for pursuing personal interests and continuing to explore the mysteries of shark science exemplifies how retirement can be a fulfilling and enriching phase of one's career journey.