Science

Seacreatures

by Matt Testoni

NatureScience

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Latest episodes

Episode 66: Long Spined Sea Urchins with Jim Brittsan

September 11, 2026 · 43 min

Send us Fan Mail On this episode of the SEACREATURES podcast, Matt talks to Jim all about how Long Spined Sea Urchins in the USA are being used to help save coral reefs. Matt brings in some knowledge of Australian Long Spined Sea Urchins…
Episode 65: Jellyfish with Vincent Doumeizel

August 2, 2026 · 32 min

Send us Fan Mail Join Matt Testoni as he chats to Author Vincent Doumeizel all about the wonderous world of jellyfish. From how the planet could one day be ruled by jellyfish to their amazing reproduction and even immortal life, jellyfish…
Episode 64: Grey Whales with Chloe Robinson

June 7, 2026 · 49 min

Send us Fan Mail Matt and Chloe talk all about the wonderful world of Grey Whales. From how they scoop up the ocean floor to eat, to how certain individuals have mysteriously popped up on the other side of the world! If you want to learn…
Episode 63: Dolphins with Martina Zimmitti

April 15, 2026 · 54 min

Send us Fan Mail Matt and guest Martina Zimmitti chat all about the world of dolphins. Martina has spent years as a dolphin training and thus shares some amazing insights on what it is like to work with these incredible animals. Learn…
Episode 62: Whales with Vanessa Pirotta

December 8, 2025 · 49 min

Send us Fan Mail Matt and Vanessa chat all about the wonderful world of whales! From the differences between toothed and baleen whales to how they all have belly buttons and that they are a relative of the hippo. Vanessa brings a wealth of…

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Episode 61: Nautilus with Johanna Sherrill

November 11, 2025 · 49 min

Send us Fan Mail Matt and Johanna chat about the mysterious Nautilus! A still very understudied but amazing animal closely related to Octopus and Cuttlefish. Johanna who worked as a veterinarian treating Nautilus has all kinds of cool and…
Episode 60: Manta Rays with Mox Ismail

October 12, 2025 · 56 min

Send us Fan Mail In this episode Matt talks to Mox all about Manta Rays. Mox has spent most of his life diving and snorkelling with these amazing animals and is able to share some very special insights. From cephalic lobes to theories on…
Episode 59: Quirky Seacreatures with Kirsty Webeck

June 18, 2025 · 41 min

Send us Fan Mail Matt chats to comedian Kirsty Webeck all about some weird and wonderful ocean animals. From the Vampire squid to the Wobbegong shark and the Costasiella seaslug the ocean is home to some very quirky seacreatures. Learn…
Episode 58: Livyatan the Ancient Sperm Whale with Ben Francischelli

April 22, 2025 · 46 min

Send us Fan Mail Matt and palaeontologist guest Ben Francischelli chat all about the extinct super predator Livyatan. A 3 million year old giant Sperm Whale that roamed the oceans and likely preyed upon animals like the Megalodon Shark…
Episode 57: Ruby Seadragons with Nerida Wilson

February 10, 2025 · 35 min

Send us Fan Mail On this episode of the podcast, guest Nerida Wilson talks to host Matt Testoni all about the little known species the Ruby Seadragon. Whilst the Weedy and Leafy Seadragons garner lots of attention there is actually a…
Episode 56: Lumpsuckers with Ruben Vermeule

December 14, 2024 · 28 min

Send us Fan Mail On this episode Matt chats to Ruben Vermeule all about diving with Lumpsuckers in the Netherlands. Learn about this amazing fish that is commonly dived with but not talked about enough. From creating a "nest" to turning…
Episode 55: Stromatolites with Zoe Kean

October 20, 2024 · 35 min

Send us Fan Mail On this episode of the Seacreatures Podcast, Matt chats to Zoe Kean all about the world of Stromatolites. These ancient single celled organisms are one of the original, oldest and first seacreatures on our planet and can…

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About the show

Welcome to the Seacreatures Podcast, a show all about the amazing animals that live beneath the waves. On each episode we chat about a specific seacreature with a guest who has spent time and interacted with this ocean animal. Our guests range from marine biologists to divers to underwater photographers, citizen scientists, and people that have an intense passion for marine life.