From Cape Cod to the Keys: Dr. Grace Casselberry and the Eugenie Clark Award
Beyond Jaws: Exploring Shark Science and Conservation
Release Date: 10/01/2024
Beyond Jaws: Exploring Shark Science and Conservation
Guitarfish genetics take center stage in this inspiring episode as Bryan Huerta shares how his fascination with sharks at the massive La Nueva Viga fish market in Mexico City sparked his entire scientific path. His early curiosity grew into formal research that now examines the guitarfish sold as Pez Diablo in Mexican markets, where he used molecular tools to identify species and highlight conservation concerns. Marine conservation research also shaped Bryan’s career through field experience in the Northern Gulf of Mexico where he helped run longline surveys, learned dissection and...
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Shark Identification Training In this episode of Beyond Jaws, Andrew Lewin and Dr. David Ebert welcome back Dr. Ivy Baremore from MarAlliance to talk about an incredible deep-sea shark identification workshop held in Honduras. The workshop brought together scientists, students, and even local diving enthusiasts to learn how to identify some of the most mysterious sharks in the Caribbean. Ivy shares what inspired the training, how it came together after nearly a decade of planning, and why empowering local researchers is the first step in conserving deep-sea species. Deep Sea Conservation in...
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Madagascar Environment takes center stage in this episode of Beyond Jaws, where co-host Dr. David Ebert shares stories from his latest fieldwork on one of the planet’s most unique islands. From long days on the water to surprising new shark encounters, David reveals what makes Madagascar such an incredible place for marine research and conservation. This episode dives into the realities of working in remote field conditions, the thrill of discovering new species, and the importance of connecting local communities to conservation goals. Madagascar’s waters hold a mix of mystery and urgency,...
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Ghost Sharks are some of the most mysterious creatures in the ocean, and in this episode, we explore their story with Dr. Dominique Didier. She joins us to talk about her groundbreaking new book Ghost Sharks of the World, which she co-authored with Dr. Dave Ebert and others. From taxonomy and biology to personal stories of research, Dominique reveals why ghost sharks deserve as much attention as their shark and ray relatives. Ghost Sharks fascinate both scientists and ocean enthusiasts because of their evolutionary significance. In this conversation, Dominique shares her career journey, the...
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Sharks and hurricanes: that’s not a Sharknado sequel, it’s real research. In this episode of Beyond Jaws, Dr. Aaron Carlisle shares how a childhood moment of terror watching Jaws turned into a career in shark science. Aaron is now an Assistant Professor of Fisheries Ecology at the University of Delaware, where he explores how the physical and biological environment influences shark behavior, distribution, and ecology using cutting-edge tools like stable isotopes and biologging. Sharks and hurricanes also becomes a metaphor for navigating the whirlwind of academic expectations and public...
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Shark Conservation has been shaped by the tireless work of scientists like Leonard Compagno. In this episode, Andrew speaks with the legendary ichthyologist whose contributions to shark taxonomy and conservation have influenced generations of researchers and advocates. Compagno shares how he became fascinated by sharks, his groundbreaking work cataloging shark species, and his role in shaping the IUCN Shark Specialist Group. Shark Taxonomy is at the core of Compagno’s career, and his insights into the classification and identification of sharks reveal why proper taxonomy is critical for...
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Shark Science Career Advice: In this episode of Beyond Jaws, we sit down with Kenzie Horton, a passionate early-career shark biologist who’s turning childhood snorkel trips into a mission to protect sharks and educate the public. From chasing fish with a disposable underwater camera to studying white shark migration off the Carolinas, Kenzie’s story is one of drive, persistence, and unshakable curiosity. She discusses the ups and downs of becoming a marine biologist, how she found her way into shark research, and what she’s learned through internships, grad school, and outreach. White...
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Shark science isn’t just about understanding biology, it’s about tackling the global forces that threaten these species. In this episode of Beyond Jaws, research scientist Chris Mull explains how international trade has become a powerful driver of unsustainable shark and ray fisheries. From luxury markets for shark fins to emerging demands for meat and cartilage, trade dynamics are reshaping conservation challenges worldwide. Shark conservation must consider the economics and policies behind fishing, not just the science in the water. Chris describes his work using phylogenetic comparative...
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Deep sea exploration is more than science—it’s an invitation to connect with the largest, least understood part of our planet. In this episode, Jonatha Giddens, a PhD researcher from the University of Hawai‘i, shares how her global work on deep-ocean ecosystems blends scientific discovery, creative communication, and human connection. From working aboard research vessels to translating complex ocean data into emotional stories, Jonatha explores how we can better understand and protect the deep sea. Ocean storytelling is central to her approach. Jonatha discusses how she uses writing,...
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Shark Week 2025 takes center stage in this conversation with Jesse Colaizzi, one of the producers behind the most-watched week in ocean television. We go behind the scenes of what it takes to pitch, plan, film, and deliver a compelling Shark Week segment, how ideas are selected, and how shows make the leap from concept to global audience. Jesse also discusses what it means to represent sharks accurately while keeping the drama that draws millions of viewers each year. Ocean storytelling comes into sharp focus as Jesse explains the pressure to entertain while maintaining scientific integrity....
info_outlineIn this episode of the Beyond Jaws podcast, hosts Andrew Lewin and Dr. David Ebert welcome Dr. Grace Casselberry, the sixth recipient of the prestigious Eugenie Clark Award from the American Elasmobranch Society. Dr. Casselberry, a postdoctoral student at the University of Massachusetts at Amherst, shares her inspiring journey in marine biological research, highlighting her dedication, perseverance, and innovative contributions to the study of elasmobranchs, including sharks and rays. Listeners can look forward to insights into her accomplishments, future aspirations, and the impactful work she has done in public outreach and research. Join us for an engaging conversation about the importance of marine conservation and the legacy of Eugenie Clark!
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Dr. Grace Casselberry: A Rising Star in Shark Research
Dr. Grace Casselberry, the sixth recipient of the Eugenie Clark Award from the American Elasmobranch Society, has made significant strides in the field of shark research. As a postdoctoral researcher at the University of Massachusetts Amherst, her work focuses on the spatial ecology of various shark species, predator-prey dynamics, and the effects of catch-and-release angling on striped bass. Her journey into marine science and shark research is both inspiring and illustrative of her dedication to the field.
Early Influences and Education
Grace's interest in marine science was sparked during her childhood summers spent in Cape Cod, Massachusetts, where she developed a love for the ocean through fishing with her grandfather. Unlike many marine scientists who have been fascinated by sharks since childhood, Grace's path was more gradual. It wasn't until her undergraduate studies at the University of Connecticut, where she took a fish biology class, that she realized she could turn her passion for fishing into a career studying fish.
After completing her Bachelor's degree in Ecology and Evolutionary Biology, Grace interned at the Panama City Lab, where she gained hands-on experience with sharks. This internship solidified her interest in movement ecology and led her to pursue a Master's degree at the University of Massachusetts Amherst, where she studied the residency and habitat use of various shark species in a marine protected area.
Research Focus and Achievements
Grace's Master's research involved tagging and tracking tiger sharks, lemon sharks, nurse sharks, and Caribbean reef sharks in Buck Island Reef National Monument in St. Croix. Her findings revealed that these species spent over 50% of their tagged days within the marine protected area, underscoring its importance for shark conservation.
For her PhD, Grace shifted her focus to great hammerhead sharks in the Florida Keys, where she investigated their movement patterns and interactions with the recreational tarpon fishery. Her research uncovered that approximately 15% of hooked tarpon were consumed by hammerheads, raising concerns about the impact of shark predation on the tarpon population.
In addition to her shark research, Grace has also worked on critically endangered sawfish, conducting juvenile nursery area habitat assessments in Everglades National Park. This work involved catching and tagging juvenile sawfish to better understand their habitat use and population dynamics.
The Importance of Funding and Collaboration
Throughout her academic journey, Grace has actively sought funding to support her research. She has applied for various grants, including the prestigious Dr. Nancy Foster Scholarship from NOAA, which allowed her to pursue her PhD. Grace emphasizes the importance of persistence in grant writing, noting that rejection is a common part of the process. She encourages aspiring researchers to apply for funding opportunities, as they are essential for advancing scientific knowledge and conservation efforts.
Grace's collaborations with organizations such as Bonefish and Tarpon Trust and the Florida Keys National Marine Sanctuary have also been instrumental in her research. These partnerships have provided valuable resources and support, enabling her to conduct fieldwork and share her findings with stakeholders in the fishing community.
Recognition and Future Aspirations
Receiving the Eugenie Clark Award is a significant milestone in Grace's career, recognizing her perseverance, dedication, and innovation in shark research. She hopes to continue her work in applied conservation and management, focusing on the intersection of marine animal movement and fisheries management. Grace's journey serves as an inspiration to early-career scientists, particularly women in marine science, as she exemplifies the impact of passion, hard work, and collaboration in advancing our understanding of marine ecosystems.
The importance of grant writing and securing funding is a critical aspect of a successful career in marine science, as highlighted by Dr. Grace Casselberry in her interview on the Beyond Jaws podcast. Grace emphasizes that her experience with grant writing has been somewhat unique, as she has actively pursued funding to support her research projects, particularly during her PhD and postdoctoral work.
Grace began writing grant proposals while finishing her master's thesis, recognizing that her lab did not have the resources to fully support her PhD work. This proactive approach allowed her to secure funding, which was essential for her to continue her research on sharks and other marine species. She notes that the process of applying for grants can be challenging, as it often involves competing against many other talented researchers with compelling ideas.
One of the key takeaways from Grace's experience is the reality of rejection in the grant writing process. She candidly shares that she has applied for more grants than she has received, which is a common experience for many researchers. Grace highlights that while rejections can be disheartening, they are not personal and often reflect the competitive nature of funding opportunities. She encourages aspiring scientists to persist despite setbacks, stating, "You're never going to get the money if you don't try to get the money."
Grace also emphasizes the importance of learning from feedback received on grant applications. For instance, after applying for the Dr. Nancy Foster scholarship and not receiving it initially, she was able to use the feedback to improve her proposal for the next application cycle, ultimately leading to her success. This illustrates the significance of resilience and adaptability in the grant writing process.
In summary, Grace's experiences underscore that grant writing is not only a necessary skill for securing funding but also an opportunity for researchers to articulate their ideas and the importance of their work. Her journey reflects the challenges and rewards of navigating the funding landscape in marine science, highlighting the need for persistence, learning from rejection, and the ability to tell a compelling story about one's research.