The Deep-Sea Podcast

The Deep-Sea Podcast

A couple of deep-sea scientists talk everything deep sea! Interesting facts, recent news, myth-busting and interviews with the most interesting people we know.

Episodes

September 16, 2025 37 mins
Welcome to the PRESSURISED version of episode 62, just the science, none of the waffle PRESSURISED: Mythbusting Ai with Tyler Greenfield | The Deep-Sea Podcast | Episode 62

Check out our lovely new website where you can find more detailed notes, images and links to the wider reading.

In a follow-up to one of our favourite episodes, Ep 10 Here be Monsters, we bring Tyler Greenfield back for another fascinating chat, this time about ...

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Check out our lovely new website where you can find more detailed notes, images and links to the wider reading.

In this episode…

Welcome back to the Deep-Sea Podcast, your punk take on all things deep sea! Join Alan in the Industrial Badlands of the Canary Islands as he cuts holes in ships, while Thom rubs elbows with New Zealand’s political elite.

In the news, get ready for updates on:

  • A meeting i...
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Welcome to the PRESSURISED version of episode 61, just the science, none of the waffle PRESSURISED: Trench nutrient cycling with Ronnie N. Glud | The Deep Sea Podcast | Episode 61

 

Guest Interview: Nutrient cycling in the hadal trenches (6 to 11 km) and the crucial role they play in global element cycling. Professor Ronnie N. Glud, a leading biochemist and Director of the Danish Centre for Hadal Research (HADAL) talks us through ...

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In this episode…

Welcome back to the Deep-Sea Podcast, your punk take on all things deep sea! Join Dr. Thom Linley and Professor Alan Jamieson as they dive into the latest from the abyssal plain and beyond.

Deep Sea News Highlights: We kick things off with a rethinking of the deep-sea boundary! Professor Alan Jamieson discusses his recent "food for thought" paper that challenges the long-held 200-meter definition, arguing for a mor...

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Welcome to the PRESSURISED version of episode 60, just the science, none of the waffle PRESSURISED: Mesophotic Reefs with Yi-Kai Tea | The Deep Sea Podcast | Episode 60

 

In this month's episode, we discuss mesophotic reefs, the deeper extents of coral reefs that have been overlooked in the past. It’s a wild ride that leads us to homemade hyperbaric chambers, the aquarium trade and the world’s most expensive fish. Strap in for a ro...

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July 7, 2025 67 mins
In this episode…

Sorry the episode is a little late…. But it’s a bumper! 

 

Alan has been checking out hypercars while sharks have been checking out Thom. In the news, we have art, anglerfish, squid and sea spiders. Then an orafish turns up, and we are all doomed.

 

In this month's episode, we discuss mesophotic reefs, the deeper extents of coral reefs that have been overlooked in the past. It’s a wild ride that leads us to homemad...

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eDNA with Georgia Nester | The Deep Sea Podcast | Episode 59 Welcome to the PRESSURISED version of episode 59, just the science, none of the waffle

 

For this month’s interview, we speak with Dr. Georgia Nester, a colleague of Alan’s from the University of Western Australia, about eDNA (Environmental DNA is any genetic material left behind by organisms in an environment). She talks about how several collection methods, eg.: Niskin...

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June 6, 2025 64 mins
eDNA with Georgia Nester | The Deep Sea Podcast | Episode 59

 

“Exploration is about the place, adventurism is about the person, science is about the question”

Professor Alan Jamieson

 

In an episode recorded earlier than usual, which is to say not recorded late, and so perhaps recorded right on time?... we are talking about environmental DNA or eDNA. 

Thom is headed off to Norfolk Island, north of New Zealand, to characterize t...

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    Welcome to the PRESSURISED version of episode 58, just the science, none of the waffle

     

    We are still talking about Antarctica, the continent that keeps on giving!

     

    For this month's interview, we speak with Devin Harrison - Marine Geoscientist/Postdoctoral Researcher at Kelpie Geoscience - Devin is a postdoctoral research fellow at Kelpie Geoscience. His research utilises high-resolution topographic models of the seafloor and comp...

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    May 2, 2025 56 mins

    We are still talking about Antarctica, the continent that keeps on giving!

    Alan and Thom discuss trying to stop working momentarily, constructing a treehouse, and acquiring a shark.

    In the news, we rattle off a list of newly discovered species with some very cool (but hard to pronounce) names. There has been a lot of squiddy news. Footage of divers swimming with a giant squid has resurfaced; in an exclusive for the podcast, Alan ha...

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    April 14, 2025 32 mins

    It’s the last in our run of episodes about Antarctica. We are all back home, and we promise to stop bothering the poor continent.

     

    Thom couldn’t talk about it until after the press release, but the Schmidt Ocean Institute cruise he was on had to look at the seabed under a 150-meter-thick ice shelf right as it moved out of the way. We talked to the science leads on that cruise, Patricia Esquete and Sasha Montelli. We learned about ...

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    April 7, 2025 76 mins

    It’s the last in our run of episodes about Antarctica. We are all back home, and we promise to stop bothering the poor continent.

    Alan and Thom discuss returning to an inbox of horrors and readjusting to time away.

    More cable cutting in our news updates, blobfish being voted fish of the year, and the tongue-eating louse potentially being invertebrate of the year. We don’t want to say we influence the news, but it seems a little spo...

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    March 14, 2025 25 mins

    Coming to you from an Airbnb, above a ski hire shop, next to a construction site in Ushuia, Argentina… It’s a very special episode as we continue to pester Antarctica.

    We are here for today is a very special birthday. Our favorite and most elusive colossal squid, Mesonychoteuthis hamiltoni, has been described for 100 years but never seen in its natural environment! We are having a birthday bash for the big girl.

    Joined by Kat Bols...

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    March 6, 2025 70 mins

    Coming to you from an Airbnb, above a ski hire shop, next to a construction site in Ushuia, Argentina… It’s a very special episode as we continue to pester Antarctica.

    Alan checks in from Barcelona for mysterious reasons. We’ll have to get the truth our of him in the future…

     

    Lots is going on in the news; deep-sea fish keep turning up, including a little Melanocetus anglerfish - sometimes called a black seadevil. This has had a re...

    February 15, 2025 32 mins

    Our short and to the point PRESSURISED version of episode 55. If you don't have time for the full episode and want to get right to the science without any of our waffle, this is the place to be!

    Read the show notes and find the full episode here:

    https://www.armatusoceanic.com/podcast/055-antarcticfishes

     

    Now it’s Thom’s turn to hit Antarctica. He’s out with the Schmidt Ocean Institute on the Antarctic Climate Connections expediti...

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    February 7, 2025 77 mins

    The gang has swapped places, Alan is back in Perth and now it’s Thom’s turn to hit Antarctica. He’s out with the Schmidt Ocean Institute on the Antarctic Climate Connections expedition to the Bellinghousen Sea, to the west of the Antarctic Peninsula. 

    He will record, edit and upload a podcast from there… somehow. This episode may sound a little rougher as a result, but the content is gold as ever… Underrated belter alert.

     

    The Pro...

    January 10, 2025 30 mins

    Our short and to the point PRESSURISED version of episode 54. If you don't have time for the full episode and want to get right to the science without any of our waffle, this is the place to be!

    Read the show notes and find the full episode here:

    https://www.armatusoceanic.com/podcast/054-antarctica

     

    It’s a big one! With The Professor down in Antarctica and Dr Thom not too far behind him, we’ve got an update live from the field. W...

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    January 3, 2025 51 mins

    It’s a big one! With The Professor down in Antarctica and Dr Thom not too far behind him, we’ve got an update live from the field. We’re talking about Antarctic submarine dives, below-freezing trenches, unexpected uses of glacial ice and, of course, the importance of growing a beard…

    But they’re not alone! This month we’re joined by the incredible Shaylyn Potter (Marine Scientist, Sub Pilot and polar diver) as she talks us through ...

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    Our short and to the point PRESSURISED version of episode 53. If you don't have time for the full episode and want to get right to the science without any of our waffle, this is the place to be!

    Read the show notes and find the full episode here:

    https://www.armatusoceanic.com/podcast/053-corals

     

    With Dr Thom and The Professor busy prepping for their upcoming expeditions offshore, we had time to squeeze out one more episode before...

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    December 6, 2024 57 mins

    With Dr Thom and The Professor busy prepping for their upcoming expeditions offshore, we had time to squeeze out one more episode before they set sail.

    We caught up with the legendary Di Tracey from NIWA to talk all things deep-water corals. How they live, what makes them different from their shallow water relatives, and how they are adapted to life in the deep dark ocean. Di's long career in deep-sea ecology is also intertwined w...

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