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PRESSURISED: 060 – Mesophotic Reefs with Yi-Kai Tea

Author
Thomas Linley
Published
Thu 17 Jul 2025
Episode Link
https://www.deepseapod.com

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 rollercoaster ride as we dive to the limits of scuba. 


 


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Keep up with the team on social media
Twitter: 

Alan - @Hadalbloke


Thom - @ThomLinley 


Instagram: 

Thom - @thom.linley 


Inkfish - @inkfishexpeditions


BlueSky:

Thom @thomaslinley.com


Reference list

Kai’s website


Instagram


Bluesky


Twitter


Mesophotic fish collecting video


Taken by Ghislain Bardout from Under The Pole. The diver is Timothy Bennett, and he was collecting for the Australian Museum Research Expedition.


 


One of Kai’s recent mesophotic reef papers


The hyperbaric chamber for fishes


The paper where the chamber is described


The peppermint Angelfish


Kai’s video of the peppermint angel


Teresa’s project


Her recent paper on black corals


 


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Feel free to get in touch with us with questions or your own tales from the high seas on:


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Thanks again for tuning in; we’ll deep-see you next time!


 


Glossary

  • BRUV - Baited Remote Underwater Video

  • Closed-circuit rebreather - An advanced form of scuba where your breath is recycled, and you don’t make any bubbles

  • Husbandry - Keeping an animal in captivity

  • IPFC - Indo-Pacific Fish Conference

  • Marine Snow - The particles that rain down to the seabed; poop, dead things, cast shells

  • Mesophotic Reef - The deeper extent of coral reefs where the light is reduced

  • Rebreather - See Closed-circuit rebreather

  • ROV - Remotely Operated Vehicle

  • Systematics - The structure and relationships between species


 


Credits

Theme: Hadal Zone Express by Märvel


Logo image: The peppermint angel by Yi-Kai Tea

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