World of Sharks
World of Sharks is a podcast from the Save Our Seas Foundation that explores sharks, rays, and their underwater habitats. Hosted by scientist Dr Isla Hodgson, it features conversations with leading experts in shark science, conservation, and storytelling. The show goes beyond the fearsome reputation of sharks to reveal their diversity, adaptations, and the threats they face. Each episode offers a deep dive into the fascinating and often misunderstood world of these animals.
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Sharing the Water with Sharks with Luke Saddler
Many of us enter the water hoping to encounter sharks and rays, and maybe even get some prize images of our own – but how can we do it with as little impact on the animal as possible? In this episode, we discuss how to share the water with sharks safely, ethically and responsibly with wildlife photographer and filmmaker Luke Saddler, who has spent countless hours observing sharks in their environm
Caring for Cameroon's Sharks, Rays and People with Ghofrane Labyedh
Ghofrane Labyedh came to Cameroon in search of whales and instead discovered an overlooked conservation story: threatened sharks and rays were being landed in large numbers, yet little was known about the fisheries catching them.
Since 2019, Ghofrane has worked alongside Cameroon’s coastal communities to understand these fisheries and the cultural, social and economic importance of sharks and rays
A Closer Look at the Shark Fin Trade with Dr Diego Cardeñosa
The international trade in shark fins is a behemoth; vast, complex and difficult to disentangle. But for molecular and forensics expert Dr Diego Cardeñosa, one of the most powerful tools we have to tackle the fin trade is the tiniest part of a shark: their DNA. In this episode, we take a deep dive into Diego's research, which has been instrumental in understanding the nuances of the fin trade and
The Unseen World of the Pelagic Thresher Shark with Rafid Shidqi
Few sharks capture the imagination quite like the thresher shark. They are well-known for their cartoonish appearance, “anxious-looking” faces and seriously cool hunting technique. But in scientific terms, we know very little about them – despite their endangered status.
Rafid Shidqi is on a mission to change that. For the last eight years, he has led groundbreaking research on the elusive pelagi
Episode 100: For the Love of Sharks
This episode is an extra special one – it’s our 100th! To celebrate this milestone, our host Dr Isla Hodgson looks back across half a decade and 100+ hours of conversations about sharks with the people who know them best. And, we hear messages and bonus shark stories from some friends of the pod.
Transcript and shownotes: www.saveourseas.com/worldofsharks/podcast.
This episode features the voices
Parasites! The World Inside of Sharks with Dr Bjoern Schaeffner and Dr Jaime Penadés Suay
Parasites have a bad rep. We often see them as harmful, exploitative, and just plain icky. But in the shark world, parasites are much more than just irritating hitchhikers. They are ecosystem engineers and important indicators of the health of not just sharks, but the entire ocean. And studies are starting to show some may actually benefit our sharky friends.
Isla met with shark parasitologists Dr
Ask Us Anything About Sharks (Round 2)! With Dr James Lea
We're diving back into our mailbag to answer more of your burning sharky questions! In this episode we address all sorts of fascinating queries such as how bioluminescence evolved in sharks, which species are capable of breathing while they’re not swimming, and whether sharks are really older than trees. Plus, we take deep dives into several awesome species – great white sharks, grey reef sharks,
Painting the Town Blue: Artivism and Bringing the Ocean to the Streets with Tré Packard and Akira Biondo
Art has the power to change perspectives, spark dialogue, and raise awareness of the complex issues facing our ocean. This is exactly why PangeaSeed was established. Since its inception in 2010, PangeaSeed has brought together local artists and their communities to collaborate on large-scale, vibrant public artworks on the walls of their towns and cities, depicting the ocean, her inhabitants, and
All Shark, No Bite - How Ocean Acidification Could Affect Shark Teeth with Max Baum
In August 2025, a paper published in the journal Frontiers in Marine Science suggested that ocean acidification could negatively impact a shark's most useful tool: their teeth. We speak with the papers lead author, Max Baum, about this research, and what the findings could mean for the sharks of tomorrow. Plus we take a deep dive into the wonders of shark teeth, and meet a decidedly unbothered tig
The Secret History of Sharks! Shark Evolution and Adaptations with Professor John Long
Sharks have been around a long, long time (over 450 million years!). But how did they evolve into the extraordinarily diverse and successful group of animals that we have today? On today's episode, we meet palaeontologist and author of The Secret History of Sharks, Professor John Long, to discuss a thrilling story of evolutionary experimentation, fossilised clues, and above all, survival.
The Secr
Shark Depredation: An Emerging Challenge in Shark Conservation with Mina Hatayama
The Maldives has served as a shark sanctuary for 15 years, and is now one of the most diverse regions for sharks and rays in the world. But with great success comes a new problem: conflict with humans. Fishers are reporting a loss of some of their catch to sharks, an issue known as depredation. For her PhD, SOSF project leader Mina Hatayama is seeking to understand depredation in the Maldives, stu
Nurse Sharks: The Sharks That Like to Cuddle with Sergio Madrigal Mora
Sometimes called the 'couch potatoes of the sea', nurse sharks are famous for their laid back attitude to life spending most of their days cosied up in piles, napping. But their gentle, docile nature doesn't make them any less special. In this episode, we sit down with SOSF project leader and PhD Researcher Sergio Madrigal Mora - who has spent a lot of time hanging out with the Labradors of the sh
How Do Sharks See The World? A Deep Dive Into Shark Vision with Dr Lily Fogg
We know sharks have incredible senses, but just how good is their eyesight? In this episode, we explore the world through a shark's eyes with fish vision expert Dr Lily Fogg. How does fish vision compare to our own? How do the eyes of a fish living on a vibrant coral reef differ from those hanging out in the murky depths? And do sharks see in technicolour, or multiple shades of grey?
We also take
Ask Us Anything About Sharks! With Dr James Lea
To kick off our new season, we're diving into our mailbag to answer your burning questions! From speedy sharks to mimicry and even fossilised shark poop, we're leaving no stone unturned...
Thank you to everyone who sent in a question - we had so many we ended up doing two episodes! Part 2 will be out later in the season.
Questions answered (with timestamps):
04.54: Do any sharks, other than mega
Making Way for Sharks and Rays: Where Do We Go From Here? With Sarah Fowler & Rima Jabado
The conversations that shape the fate of sharks and rays rarely happen in quiet laboratories or out at sea. More often, they unfold in fluorescent-lit halls, behind nameplates and microphones, inside sprawling congress centres where global decisions about nature are made. At the IUCN World Conservation Congress, surrounded by thousands of delegates debating the future of biodiversity, host Isla sa
Bioluminescence: How Glowing Sharks Light Up the Deep
Did you know that there are over 60 species of shark who are luminous? In this episode, we learn all about the sharks who light up the darkness of the deep sea. How are they able to produce their own light? And why have they evolved the ability to glow? We are joined by Professor Jerome Mallefet, an expert in bioluminescence who has studied some of the most fantastical species on earth, including
On the Hunt! How Sharks Find and Catch their Food with Dr Yannis Papastamatiou
How do sharks locate prey when they’re roaming the open ocean? What does a shark ambush look like? Are sharks capable of hunting cooperatively? And why do cookiecutter sharks take on prey much larger than themselves (including submarines!)? We are asking all these questions and so much more this week as we dive into the fascinating world of shark behavioural ecology to better understand foraging a
Sharks in the Dark: Revisiting the Deep Sea with Dr Brit Finucci
It’s spooky season, and what a great excuse to visit our friends in the dark; the deep-sea sharks, rays, skates and chimaeras! We’re joined by fisheries scientist and deep-sea legend Dr Brit Finucci to go on a journey into the darkness – a far from barren landscape filled with weird and wonderful creatures. We’ll meet icons like the small-but-ferocious prickly dogfish, the luminous lanternsharks,
Hammerhead Sharks: Predators with Perspective with Dr Kelly Kingon
From a shovel to a mallet, and even an aeroplane - the hammerheads really do win the prize for some of the most bizarrely shaped sharks out there. But why do they have such oddly-shaped noggins? What do they eat? Where do we find them? And why are one of the most charismatic groups of sharks in the world also one of the most threatened?
In this episode we are joined by Dr Kelly Kingon, Associate
Shark Movements, Food Webs and Flower Gardens with Brett Sweezey
Tagging hammerheads, tracking silky sharks and exploring a remote coral paradise in the middle of the Gulf of Mexico…This week, we’re diving into the fascinating world of shark trophic ecology with PhD researcher and SOSF project leader Brett Sweezey! Brett is investigating the interactions between predators and prey, and how they influence where sharks go amongst the unique habitats of the Flower
The Shark That Swims in Rivers: Protecting the Winghead Sharks of Papua New Guinea with Yolarnie Amepou
A turtle that looks like a pig, and a shark that looks like a plane...in this episode, we're heading to the colourful, diverse lands of the Kikori River in Southern Papua New Guinea to meet researcher and director of the Piku Biodiversity Network (www.pikubionet.org.pg). In 2018, Yolarnie expanded the PBN - which originally focussed on the community-led conservation of the endangered pig-nosed tur
Studying Ancient Sharks at the End of the Earth: How Sevengills Are Responding to Climate Change in New Zealand’s Fiordland with Dr Alice Rogers
Dive into the deep, remote waters of New Zealand's Fiordland with us as we meet the mysterious broadnose sevengill shark and the scientist who is trying to study them: Dr Alice Rogers. Alice's research aims to discover how these ancient creatures are responding to climate change - will the fiords provide vital refuge for the species as our waters get warmer?Along the way, she and her team are unco
Eyes in the Sky: Using Drones to Gain Insight Into White Shark Behaviour with Carlos Gauna (The Malibu Artist)
We're taking to the skies to find out what great white sharks get up to when no-one's looking...
From his drone’s vantage, Carlos Gauna — AKA The Malibu Artist — has captured previously unrecorded behaviours of one of the ocean’s most captivating predators, the great white shark. His footage has fascinated viewers from across the globe, challenged misconceptions of white sharks, and even altered C
The Ups and Downs of Shark Movements with Dr Sammy Andrzejaczek
Tagging tiger sharks, seamount navigation, and a great white shark called Princess Sparkles... This week, we're diving into the fascinating world of shark movement ecology with research scientist Dr Sammy Andrzejaczek to explore how and why sharks move about the oceans - in particular zooming in on their vertical space use and asking why some sharks take frequent dives to depths of over 1,000 met
In the Field: Monitoring Sharks and Manta Rays on a Remote Island (PART 2 - Sharks)
In part 2 of our 'In the Field' episode with the Save Our Seas Foundation D'Arros Research Centre, we are heading to the neighbouring atoll of St Joseph to tag juvenile sharks and take part in their long term mark-recapture study. We'll also be finding out more about the sharks of D'Arros, and heading out at night in search of bull, mako, silvertip and grey reef sharks...
Time stamps:
03.55: Why i
In the Field: Monitoring Sharks and Manta Rays on a Remote Island (PART 1 - Manta Rays)
In this episode of World of Sharks: In the Field, we are learning what it’s like to live and work on a tiny, remote island in the middle of the Indian Ocean, and study sharks and rays in what can be considered one of the most pristine marine environments on earth today.
In part 1, we meet the team of the Save Our Seas Foundation D'Arros Research Centre (SOSF-DRC), explore the island and its vibra
BONUS EPISODE - 50 Years On: Was Jaws Really Bad for Sharks? With Amani Webber-Schultz and Chris Pepin-Neff
We're gonna need a bigger podcast...
In honour of the 50th anniversary of the release of Jaws - one of the most iconic shark movies of all time - we are bringing you a very special bonus episode wholly dedicated to the film. Host Isla is joined by two jawsome guests: shark scientist and science communicator Amani Webber-Schultz (@curly_biologist), and social scientist and Associate Professor in pu
White Sharks: Secrets of a Top Predator with Dr Alison Kock
They are the most iconic shark species of all time, known for their strength, hunting prowess, and long-distance travel. But there is a lot more to great white sharks than their reputation. They are not the mindless killers that the movies would have you believe – in fact, they are a highly curious and elusive species who continue to surprise us. And someone who knows white sharks inside out is Dr
Filling the Gaps to Protect Sharks in Angola with Ana Lúcia Furtado Soares
This week on the World of Sharks podcast we are meeting Ana Lúcia Furtado Soares, founder of the Angola Elasmo Project - a grassroots initiative focussed on the research and conservation of sharks and rays along the Angolan coast – to discuss the joys and challenges of building a project from scratch, working with data-poor fisheries and the importance of empowering local voices.
Shownotes: www.sa
Forensic Fisheries: Using DNA to Investigate the Trade in Shark Liver Oil with Dr Madeline Green
The trade in shark liver oil is an invisible threat to sharks. Not only is there limited research on the topic, but liver oil is notoriously difficult to track and trace. Enter Dr Madeline Green, molecular fisheries ecologist and Principle Investigator of the Forensic Fisheries Lab at the University of Tasmania. Madi is working to apply protocols from the tracing of olive oil to extract DNA from
Hungry Sharks? How a Shark's Digestive System Works
Spiral intestines! Curly poop! A shark that eats plants! And…turning your stomach inside out because you ate something dodgy?! In this episode we explore the ins and outs of a shark’s digestive system with animal physiologist Dr Samantha Leigh (@sea_science_sam), an expert in all things shark gut. We learn how a shark’s digestive system is designed for maximum efficiency, the different ways in whi
Epaulette Sharks: The Sharks That Can Walk On Land with Faqih Akbar Algozali
Why swim when you can just walk from a to b?! This week, we are taking a closer look at the "walking" or epaulette sharks, a group of nine species who have evolved a slightly unusual way of getting around. We're joined by Faqih Akbar Alghozali, co-founder of Elasmobranch Project Indonesia (EPI) and SOSF project leader, who has lots of stories to share from his time in the field with the Kalabia, o
The Fascinating and Weird World of Shark Eggs with Cat Gordon
Join us for a slightly different easter egg hunt, as we go in search of shark eggcases! From tiny catshark eggcases no bigger than your index finger, to a skate that lays eggs larger than your head and even an egg that looks (and functions) like a corkscrew - we explore them all with Cat Gordon, Senior Conservation Officer for The Shark Trust. And, we learn about one of the longest running citizen
Electroreception: The Shark's Sixth Sense with Professor Stephen Kajiura
In this episode, we are exploring the ‘sixth sense’ of sharks – electroreception! We are joined by sensory biologist and shark elasmobranch expert Dr Stephen Kajiura, Professor in the Department of Biological Sciences at Florida Atlantic University (FAU) to discuss how sharks are able to detect minute electrical signals and use this sense to pinpoint prey with mind-blowing accuracy. We also get de
The Lives of Sharks with Dr Dean Grubbs
How do sharks learn to be a shark? Do they really eat their siblings? Is there such a thing as a shark teenager? How do sharks find a mate? And what happens when they reach old age? In this episode, we answer all these questions and more as we embark on a true deep dive into the lives and life histories of sharks, with elasmobranch expert and SOSF Scientific Advisor Dr Dean Grubbs!
Dean is Associa
Uncovering The Shark Meat Trade With Dr Divya Karnad and Dr Trisha Gupta
The shark meat trade is a multi-billion dollar industry. But it receives relatively little attention, and remains understudied. This week, we sit down with conservation scientists Dr Divya Karnad and Dr Trisha Gupta, who have collaborated on research that aims to better understand the drivers and complexities of this trade. Using India as a case study, they are looking for ways to encourage more r
Sharks You Might Never Have Heard Of...With Kristian Parton
You asked for more episodes on lesser known or slightly more obscure species - so we're kicking off a new season with a whole episode devoted to just that! Host Isla and special guest, scientist and science communicator Kristian Parton (host of the Shark Bytes Youtube channel) challenge themselves to discuss species and sharky facts that even the most enthusiastic of shark nerds might not have hea
In the Field: The Great African Seaforest with Dr Jannes Landschoff
Dive into the wonders of South Africa's kelp forests on this special episode of World of Sharks.
Join us as we head beneath the waves with marine biologist and SOSF project leader Dr Jannes Landschoff, who has dedicated much of his working life to understanding the unique and vast habitat that is the Great African Seaforest. As the only forest of giant bamboo kelp in the world, the seaforest stret
What's Happening to the World's Sharks and Rays? With Dr Rima Jabado and Alexandra Morata
We know that globally, sharks and rays are in trouble. But just how bad is it? And can we still do something about it?
In this special bonus episode of World of Sharks, host Isla sits down with chair of the IUCN SSC Shark Specialist Group (IUCN SSC SSG), Rima Jabado, and program officer of the IUCN SSC SSG Alexandra Morata to discuss their latest report The Global Status of Sharks, Rays and Chima
The Next Frontier: How AI and Underwater Robots Can Help Us Better Understand Sharks with Martina Lonati
Sadly, us humans can't spend every hour in the ocean staring at sharks (unfair, right?!). But do you know what can? Robots. UNDERWATER robots. In today's episode, we are diving into the super cool world of ocean tech with research scientist Martina Lonati! Martina seeks to understand how new technologies, like Artificial Intelligence (AI) and Remotely Operated Vehicles (ROVs) can help fill in the
Searching for Sawfish on the Amazonian Coast with Dr Patricia Charvet
There is a place where the largest and most powerful river in the world meets the Atlantic ocean, and one of the most threatened species of elasmobranch - the largetooth sawfish - finds one of its last refuges on earth. In this episode of World of Sharks, we are joined by shark scientist and conservationist Dr Patricia Charvet, who has dedicated her life to understanding and protecting sharks and
Lemon Sharks: Baby Sharks That Live in Trees with Jillian Morris-Brake
When life gives you lemon sharks...make a podcast about them! This week we are answering a request by listener Charlie to devote an episode entirely to warm-water loving Negaprion brevirostris, the lemon shark. And to help us learn everything there is to know about them is marine biologist, educator, author and founder/president of Sharks4Kids, Jillian Morris-Brake, who has a lot of experience wit
How to Build a Career in Shark Science (Part 2!) Featuring the Guests of Seasons 5 and 6
Thinking of a career in shark science and conservation? Struggling to find your niche? Found your niche, but trying to advance in your field? Or wondering what on earth to write in that email to the person you admire?
We're back with another special episode dedicated to careers with sharks and the ocean. For the last year, we've asked each podcast guest to share their advice and own experiences t
Capacity Building for Shark Conservation with Dr Andrew Chin
“Conservation is not drones and DNA samples or pamphlets or computers. It is people, and we should be investing in those people.” In this episode of World of Sharks, we sit down with fisheries scientist, director of the Fish and Fisheries Lab at James Cook University and Save Our Seas Foundation Scientific Advisor Dr Andrew Chin to discuss the challenges and realities of shark conservation and man
Megalodon: Inside the Life of a Superpredator with Jack Cooper
It’s the one you’ve all been waiting for…we’re going back in time to meet the largest shark to have ever existed: Otodus megalodon. Growing up to twenty metres long, with teeth as large as a human hand and jaws that could fit you and a friend (with some room to spare), this apex superpredator continues to capture our attention, despite having been extinct for at least 2.6 million years. But what i
The Importance of Linguistic Diversity in Shark Science with Jaime Penadés and Hettie Brown
Sharks and rays are found all over the world; from the freezing waters of the Arctic to the tropical Indo-Pacific, and just about everywhere else in between. This means that shark conservation is a global effort, spanning multiple countries, cultures, customs and languages. But did you know that 98% of scientific research is published exclusively in English? In this episode of the World of Sharks
Regional Endothermy: The Secret Superpower of the Mackerel Sharks with Dr Haley Dolton
Did you know that some sharks can keep parts of their body warm to allow them to move faster, swim for longer, see more clearly and think better?? Or, that basking sharks have a gigantic heart?! This week we are diving into the fascinating world of shark physiology and anatomy to learn about a special trait only found in a handful of species: regional endothermy. To take us on this journey of disc
Failure to Launch: Understanding Reproductive Failure in Turtles and Tortoises with Alessia Lavigne
This week on the podcast we are taking a brief detour from sharks to explore the fascinating world of turtles and tortoises! We are diving into the research of SOSF project leader and turtle specialist Alessia Lavigne, who has been trying to understand why turtle and tortoise eggs sometimes fail to hatch. Turtles and tortoises (known collectively as the testudines) are, like sharks, one of the mos
Building Safe Spaces for Sharks, and Shark Scientists with Jasmin Graham
We welcome back shark scientist and CEO/Co-Founder of Minorities in Shark Sciences, Jasmin Graham, and celebrate the release of her new book, Sharks Don't Sink: Adventures of a Rogue Scientist. We talk about the incredible adaptations and resilience of sharks, the glorious weirdness of sawfishes - a species Jasmin has worked closely with - and why Jasmin feels innately connected to sharks and comp
In the Field: Basking Sharks with Dr Alexandra McInturf
We are so excited to share with you a very special bonus episode of World of Sharks! Join us as we head into the field in search of the second largest species of shark in the world: the basking shark. We’ll be heading out on the boat with Dr Alex McInturf (@drsurfnturf), shark scientist at the Chapple Big Fish Lab (@big_fish_lab), SOSF project leader and project coordinator for the Irish Basking S
Angel Sharks: Masters of Stealth and Critically Endangered
This week we are diving into the world of angel sharks, the second most threatened group of elasmobranchs in the world. Joining us is co-founder and co-lead of the Angel Shark Project, Eva Meyers, and project coordinator for the Angel Shark Project: Wales, Jake Davies. In this episode we learn all about angel sharks, their super-powered ability to “disappear” and ambush prey, and the work of the A
Around the ocean in 80 sharks with Dr Helen Scales
Sharks with beards. Deep sea sharks with glow-in-the-dark bellies. Sharks that take on submarines. Sharks that walk instead of swim and rays with a hedge trimmer for a nose…this episode has it all! We explore the fantastic diversity of sharks and their relatives (and of all marine life!) with marine biologist, scientific writer and broadcaster Dr Helen Scales, ahead of the release of her new book,
Exploring Galápagos, the sharkiest place on Earth with Pelayo Salinas de León
Come with us on a voyage to one of the most remote, biodiverse and "sharkiest" places on the planet with leading expert Pelayo Salinas, co-principal investigator of shark ecology and conservation at the Charles Darwin Foundation and Save Our Seas Foundation project leader. In this episode we go on a dive to observe scalloped hammerheads visiting their after-work spa, get booped by the bouncer of t
Thresher Sharks: The Biomechanics of Tail-Whipping with Jamie Knaub
Thresher sharks are known for their unusual hunting strategy. They use their long tail like a whip, striking it so fast that it creates a shockwave capable of stunning multiple fish at once! But how does their anatomy support such an extreme movement? In today’s episode we find out! We talk with Jamie Knaub, who researches the biomechanics and vertebral anatomy in large, swimming animals - includi
Protecting sharks and coastal livelihoods with Dr Hollie Booth
Conservation is often more about understanding people than studying the animals we are trying to protect. In this episode we learn from Dr Hollie Booth, research fellow at the University of Oxford, who has worked extensively with small-scale fisheries in Indonesia, the world’s largest shark fishing nation. Hollie’s work aims to disentangle the drivers of shark fishing in order to find solutions th
Could climate change affect baby sharks? With Noémie Coulon
The ocean is warming at a rapid pace. This year (2024) began with the highest global Sea Surface Temperature (SST) on record, and scientists are already warning of mass coral bleaching events and other worrying consequences for marine life. But how could rising temperatures impact sharks, particularly in the early stages of life when they are most vulnerable? PhD student and “mother-of-sharks” Noé
The mystery of Charlotte, the pregnant stingray with Dr David Shiffman
In February 2024, a round stingray from a small, rural aquarium in the middle of a shopping mall unexpectedly took the world by storm. She was pregnant, but how this had happened was a complete mystery - there were no male stingrays in the tank, nor had there ever been...
In this episode we are joined by scientist and science communicator Dr David Shiffman (@whysharksmatter) to examine Charlotte's
Tackling the fin trade with CITES with Luke Warwick
The international shark fin trade is a billion-dollar industry. It is also driving declines in shark populations around the world. In this episode, we are joined by Luke Warwick, expert in global shark policy, to learn how CITES - an international agreement between governments to regulate trade in endangered species - could help protect sharks and rays from overexploitation. In particular, we disc
The acoustic world of sharks: how do they hear? With Dr Lucille Chapuis
Do sharks have ears? Are they good listeners? What are they listening for? Do great white sharks get freaked out by orca sounds? And what kind of music do sharks like?! We cover all this and so much more with bio-acoustician and shark hearing expert, Dr Lucille Chapuis. Join us for a fact-filled episode that includes disco sharks, curious humpbacks, putting sharks in 'sleepy-time baths' and R2D2 w
Going back in time with shark skin! With Dr Erin Dillon
Time travel. Ancient coral reefs. Shark sleuthing. The AMAZING properties of shark skin...this episode has it all! We're chatting with Dr Erin Dillon, conservation paleobiologist and researcher at the Smithsonian Tropical Research Institute. Erin's work uses fossilised shark skin (fancy term: dermal denticles) as a window into the past, to understand what kinds of sharks were around on coral reefs
Why have sharks been so successful? With Dr James Lea
It's our 50th episode!! To celebrate, host Isla is joined by shark scientist and CEO of the Save Our Seas Foundation Dr James Lea to talk about the amazing evolutionary success of sharks and their relatives. We talk about just how much sharks have had thrown at them over the 440 million years they've existed on this planet (super volcanoes, ice ages, the terror of plants and a mass extinction even
How do I build a career in shark science? Featuring the guests of season 4!
Starting out on your own career journey can be a little daunting, which is why we’ve put together this special episode of World of Sharks, filled with advice, experiences and anecdotes from the guests of season 4. We talk about how to make your dreams of working in shark science and conservation a reality – from how to approach professors, to finding your niche, to overcoming setbacks and staying
How might pollution impact sharks? With Franco Cristiani
Plastics. Oil spills. Industrial chemicals. Herbicides. Pesticides…the list of substances that we have dumped in the sea is endless. But scientists are only just beginning to understand the true extent of the impact of marine pollutants on marine life. Fish biologist and SOSF project leader Franco Cristiani is investigating the effects of harmful pollutants on chondrichthyans, using the American e
Translating science into conservation action with Rob Bullock and Henriette Grimmel
We’re heading back to the Seychelles this week to chat with research and programme directors for the Save Our Seas Foundation D’Arros Research Centre (SOSF-DRC), Dr Rob Bullock and Henriette Grimmel! Both Rob and Henriette have lots of experience and knowledge in the application of scientific research to marine policy, spatial planning and conservation. And, where they live and work – D’Arros, loc
Ghost sharks: chimaeras, the sharks’ forgotten cousins with Dr Luz Erandi Saldaña Ruiz
It's spooky season! And we're taking the opportunity to celebrate some close relatives of sharks and rays who don't get talked about as much as they deserve: the chimaeras. Also known as ghost sharks, spookfish, ratfish and rabbitfish, these ancient creatures glide in the dark of the deep ocean, much of their life shrouded in mystery. Helping us learn more about them is our guest, fish biologist a
Shark brains: how are they wired? With Dr Kara E. Yopak
Have you ever wondered what a shark’s brain looks like? How the brain of a goblin shark compares to a mako? What makes a whale shark tick? Or…what it’s like to get a shark brain in the post?
These are all things that Dr Kara E. Yopak, shark brain expert and director of the EXCELLENTLY named ZoMBiE lab knows a thing or two about! Kara is interested in what different shark brains look like and how t
Saving sharks in the Seychelles with Ellie Moulinie and Dillys Pouponeau
This week, we are transporting you to a tropical island haven for sharks and rays in the beautiful outer islands of the Seychelles! We will be guided by the wonderful Dillys Pouponeau (@dillyseychelles) and Ellie Moulinie (@miss_tropics), who are research officers at the Save Our Seas Foundation D'Arros Research Centre. D'Arros island and its sister atoll, St. Joseph, have been labelled a 'pristin
How powerful is a shark’s sense of smell? With Dr Lauren Eve Simonitis
Sharks have a reputation as 'swimming noses' - but just how well can they smell?
This week we are diving into the fascinating world of snoot science with aquatic sensory biologist Dr Lauren Simonitis! Expect the ins and outs of shark noses, along with detours to explore the anti-predator strategies of sea slugs and cuttlefish, a shark that eats its greens, and a type of whale that inks while it po
Greenland Sharks: Old, Cold and Fascinating with Dr Julius Nielsen
Greenland sharks are the world's longest living vertebrate, with a longevity that can be measured in centuries. But what do they do during that long life? In this episode, we speak with scientist and "Greenland Shark Detective" Dr Julius Nielsen, who has studied these mysterious creatures for many years. Julius was part of the first team to estimate their extraordinary lifespan, and explains exact
The history and politics of shark ”attacks” with Dr Chris Pepin-Neff
The impact of the Hollywood blockbuster Jaws on shark conservation, public perception and even policy-making has been studied since its release in 1975, but today we’re looking even further back in time to understand where that idea of sharks as man-eating monsters first came from, and how it gained traction to get to where we are today. It’s a fascinating story involving Victorian game hunters, s
What can we learn from a shark’s DNA? With Professor Mahmood Shivji
Grab your labcoats! This week we are diving into the fascinating world of genetics to find out what we can learn from shark DNA with Mahmood Shivji, professor of marine science at Nova Southeastern University in Florida and director of the Guy Harvey Institute and Save Our Seas Foundation Shark Research Center (SOSF-SRC). In this episode we discuss shark forensics, the magical healing abilities of
Celebrating weird, wonderful and obscure sharks with A-bel Gong, Brit Finucci and Vicky Vásquez
Something we talk about a lot on this podcast is the sheer diversity of sharks and their relatives. With over 500 species of shark alone - not to mention the rays, skates and chimaeras - there is so much to them than just the Jaws stereotype. In this episode, we are talking about some species you may never have heard of, each with their own fantastical adaptations - a tiny deep sea shark with ligh
Documenting the Great African Seaforest with Craig Foster
This week on World of Sharks, we are diving into the Great African Seaforest - the world's only forest of giant bamboo kelp, which stretches more than 1000km from the shores of Cape Town to the coastline of Namibia - with conservation film-maker and SOSF project leader Craig Foster (The Sea Change Project, My Octopus Teacher). In this episode we talk about the importance of the Seaforest, especial
Encouraging the next generation of shark conservationists with Dr Clova Mabin
On today's episode of World of Sharks, we are discussing a very important topic in conservation: how to encourage, support and nurture young people to care for and protect our ocean, while being mindful of the many other pressures that they face. How can we teach them about the issues facing the natural world, while maintaining hope? How do we empower them to take action for conservation, while st
Exploring human connection with the ocean with Pippa Ehrlich
We're learning new things about the ocean every day, but for centuries the ocean has taught us so much more. After the pandemic, many of us evaluated our connection to the sea and nature in general, seeking deeper meaning in our relationship with it and realising how necessary it is for our mental and emotional wellbeing. Award-winning film-maker and conservation storyteller Pippa Ehrlich (My Octo
The brilliant world of the blue shark with Dr Jenny Bortoluzzi
This week on World of Sharks we are diving into the world of an iconic species: the blue shark, Prionace glauca. Known for their big eyes, pointed snouts, mesmerising metallic blue colour and inquisitive nature, blue sharks are a species of requiem shark that occur in temperate and tropical oceans around the world. We are joined by Dr Jenny Bortoluzzi, shark scientist and SOSF project leader, who
Do sharks hang out with their siblings? With Fenella Wood
In this episode of World of Sharks by the Save Our Seas Foundation, we're chatting all things spurdog, relatedness and genetics with molecular biologist and PhD student Fenella Wood! Fenella's research delves into the fascinating world of spurdog population genetics to find out if the individuals that form large aggregations are related, which could have conservation implications if they are caugh
Grants 101: tips for getting your project funded with Dr James Lea, Lee Crockett and Sarah Fowler OBE
So, you want to study sharks. You have a brilliant research question, a solid methodology, and buckets of passion. There's just one thing missing...funding. Applying for grants to support your research is a huge part of the scientific process - and it's certainly not easy. But fear not! This week, we are taking a break from chatting about sharks to bring you some expert tips on how to get your dre
A global approach to shark and ray conservation with Rima Jabado, Emiliano García Rodríguez and Ciaran Hyde
Sharks and ray populations across the world are in freefall. Reversing these declines requires a coordinated, global effort - but how can this be achieved? At the International Marine Protected Areas Congress (IMPAC5) in Vancouver, Canada, host Isla sat down with Rima Jabado, fisheries scientist and head of the IUCN Shark Specialist Group, and elasmobranch scientists Emiliano García Rodríguez and
Creating impact through imagery with Thomas Peschak
We are kicking off season 4 of the World of Sharks podcast (formerly the Whole Tooth podcast) with a bang! This episode, we are talking to legendary conservation photographer, National Geographic explorer and our very own Director of Storytelling, Thomas Peschak. Thomas has photographed marine life all over the world, including a huge diversity of sharks and rays, and has dedicated his life to cre
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