Seacreatures

Seacreatures

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.

Episodes

June 18, 2025 40 mins

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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 about the shark that can bite its own tail, the squid that has bioluminescent mucus instead of ink and the seaslug with solar all on this episode of the Seacreatures Podcast.

Check our Kirsty Webeck&apos...

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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. With huge 40cm teeth, Livyatan was perhaps one of the biggest predators to ever live! Ben talks us through what its like to look for the fossils of a Livyatan and the inferences we can make from these ...

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 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 third species of Seadragon in the world that was only described in 2015. So what do we know about a species so new to marine biology? Find out in this episode of the Seacreatures Podcast. 

To learn more a...

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December 14, 2024 27 mins

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 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 orange they are one quirky fish! 

Check out Ruben's Instagram 
https://www.instagram.com/eendierofzo/

Check out Dan Musil (our theme composer)
https://danmusil...

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October 20, 2024 34 mins

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 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 still be found in small isolated locations today!!!! Zoe uses them in her latest book to both start and finish explaining why we are who we are in a biological sense.

Learn more about Stro...

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August 31, 2024 43 mins

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In this episode of Seacreatures we chat to Madi Green, a forensic marine ecologist all about the wonderful world of sharks. Matt and Madi chat about everything shark including how some shark babies are born with tiny sheaths on their nose and what species is the world smallest shark.

Learn more about sharks here
https://www.shark-references.com/
Check out some of Madi's work on her Instagram

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July 28, 2024 36 mins

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Matt and Professor Mary-Anne chat all about the world of Seals. Mary-Anne shares  lots of awesome information about seal biology, facts about how they sleep and dive, and even what it's like to sit next to a 3 tonne Elephant Seal.

Check out Professor Mary-Anne Lea's work here
https://mpredlab.org/
and on Instagram
https://www.instagram.com/mpred_lab/
or X (Twitter)
https://x.com...

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Matt and Klaus talk all about the world of the Lionfish in this episode of the SEACREATURES podcast. Klaus shares some amazing insights into why Lionfish are so environmentally damaging in the Caribbean but beloved and in the Pacific. And, we chat about Klaus's latest book!

Check out Klaus's website here
https://pacificklaus.com/
and see his awesome photos
https://www.flickr.com/photo...

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May 31, 2024 36 mins

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In this episode Matt chats to squid and climate scientist Gretta Pecl all about the amazing world of squid! From their bizarre and various mating behaviours to why their skin and ink is so cool. If you love squid facts this is the episode for you!

Check out Gretta's citizen science project REDMAP here
https://www.redmap.org.au/
Gretta's squid articles here
https://www.redmap.org.au/arti...

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In episode 50 of the seacreatures podcast we celebrate this milestone show by mixing the it up a bit and having your host Matt Testoni as the guest. Matt's good friend Suz Kroeber interviews the seacreatures podcast host all about why he loves diving, how he goes about taking underwater photos, and his ocean passion.

Check out Matt Testoni's photography on Instagram
https://www.instagram.com/ma...

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Matt chats to ocean artist Rachel Brooks all about the amazing world of the Basking Shark. Not only do Rachel and Matt chat about some cool facts, they also delve into the vast amount of unanswered questions that remain about the lives of Basking Sharks. From where they breed to why they might have Lampreys attaching to them, its all a bit of a mystery.

Check out Rachels amazing art here
https://rachelbr...

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February 19, 2024 35 mins

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Matt chats to Eel advocate and enthusiast Malcolm Johnson all about this amazing seacreature. Malcolm talks all about how Eels start their lives as tiny larvae way out at sea and migrate, and morph as they journey back into rivers and lakes, before returning decades later to the sea where they were born. 

Learn more about Eels with Malcolm by visiting his webpage 
https://bio.site/malcolmsjohnson
or I...

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February 3, 2024 30 mins

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Matt chats to wildlife photographer Jake Wilton all about the world of the Whale Shark. From how to photograph one these incredible animals to what it's like to swim and work alongside the worlds biggest fish.

Checkout Jake Wilton's fantastic photographic work on Instagram
https://www.instagram.com/jakewiltonphoto
and his website
https://www.jakewiltonphoto.com/

Learn more abou...

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Lawrence Sheele and Matt Testoni talk all about the amazing world of the Gloomy Octopus (also known as the Sydney Octopus) in this episode of the Seacreatures Podcast. Lawrence talks all about how the Gloomy Octopus is one of the only octopus to be observed as living in a small community, nicknamed Octopolus and why this seacreature is one of his all time favourite animals.

 Check out Lawrence's website<...

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In this episode Matt and marine biologist Quinn chat all about the incredible animal that is the Horseshoe crab. Quinn explains how this unusual seacreature is not a crab at all, but is actually more closely related to scorpions, has unique and medically special blood, and walks a huge distance on the seafloor to lay eggs up on dry land!

Learn more about Horseshoe crabs and Quinn's work here
https:/...

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In this episode join Matt and Dave Harasti as they chat all about the White's Seahorse. An endangered species that lives, in all places, Sydney Harbour. Dave talks all about his amazing work making seahorse hotels that create new habitats for the White's Seahorse. 

To learn more about White's Seahorse visit
https://www.dpi.nsw.gov.au/fishing/threatened-species/what-current/endangered-specie...

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Join Matt Testoni and Olly Dove as they delve into the world of the Short Tailed Shearwater. Olly has worked with these birds on islands in Tasmania and shares her first hand knowledge of what its like being a sea bird researcher. From making sure you have a shearwater nest and not a penguin nest to to the hazards of seabird research, Olly is a wealth of shearwater knowledge!

Check out Olly's podcast, Th...

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Join Matt Testoni and David Scheel as they chat all about the incredible world of the Giant Pacific Octopus. David tells us some remarkable facts and behaviours he has studied along with what its like to encounter these amazing underwater animals.

Check out David Scheel's new book
https://www.amazon.com.au
https://www.barnesandnoble.com
https://www.booktopia.com.au
and David's webpa...

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In this episode Matt chats to Sam all about the amazing world of Leatherback Sea Turtles. Sam talks about his experiences working with this enormous animal and how they have some rather unique and astonishing biological skills.

Check out Sam's Instagram
https://www.instagram.com/samriley_wildlife
and learn more about them here
https://www.worldwildlife.org/species/leatherback-turtle
htt...

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May 30, 2023 26 mins

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In this episode Matt and Matt talk all about squid and what it's like to spend time around these amazing animals. This episodes guest Matty Smith is a talented underwater photographer who isn't afraid of an early morning 5am night dive if it means he gets to photograph the local squid population. He also shares a few tips on how to photograph these almost alien seacreatures. 

Check out Matty Smiths...

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