The Deep-Sea Podcast

The Deep-Sea Podcast

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The Deep-Sea Podcast episodes

  • PRESSURISED: 033 - Parasites with Rod Bray

    Our short and to-the-point PRESSURISED version of episode 33. 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!

     

    What if your deep-sea habitat was less rocky and more fleshy? That’s right, the time has come to talk all about deep-sea parasites and their fascinating life cycles.


    We couldn’t think of anyone better to speak with than Dr Rod Bray, a pioneer in deep-sea parasitology research. Rod talks us through the captivating world of parasitic worms and his ongoing research into their ecology.

     

    Check out our podcast merch here! Which now includes Alan’s beloved apron and a much anticipated new design... 

     

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

    We’d love to actually play your voice so feel free to record a short audio note!

     

    We are also on 

    Twitter: @DeepSeaPod, @ArmatusO

    https://twitter.com/DeepSeaPod

    https://twitter.com/ArmatusO

     

    Facebook: DeepSeaPodcast, ArmatusOceanic 

    https://www.facebook.com/DeepSeaPodcast

    https://www.facebook.com/ArmatusOceanic

     

    Instagram: @deepsea_podcast, @armatusoceanic

    https://www.instagram.com/deepsea_podcast/

    https://www.instagram.com/armatusoceanic/

     

    Keep up with the team on social media

    Twitter: 

    Alan - @Hadalbloke (https://twitter.com/Hadalbloke)

    Thom - @ThomLinley (https://twitter.com/ThomLinley) 

    Georgia - @geeinthesea (https://twitter.com/geeinthesea) 

     

    Instagram: 

    Georgia - @geeinthesea (https://www.instagram.com/geeinthesea/) 

     

    Read the show notes and find out more about us at:

    www.armatusoceanic.com

     

    Glossary

    Cercaria - Offspring of digenean parasites.

    Chimaera - A group of cartilaginous fish mostly found in deep waters. 

    Competition - A type of symbiosis where both species are harmed.

    Commensalism - A type of symbiosis where one species benefits and the other is unaffected.

    Ctenophore - “Comb jelly” marine invertebrates found worldwide.

    Digeneans - A class of trematodes consisting of parasitic flatworms with two suckers.

    Ectoparasites - Parasites that live on the skin of the host.

    Elasmobranch - The subclass of cartilaginous fishes consisting of sharks, skates and rays.

    Emmensalism - A type of symbiosis where one species is harmed and one is unaffected.

    Endoparasites - Parasites that live inside the tissues of the host.

    Facultative symbiosis - A type of symbiosis which is optional; not necessary for survival. 

    Flukes - “Trematoda” is a class of flatworms. They are internal parasites with a complex life cycle requiring at least two hosts.

    Hydrozoan - A class of cnidaria. They are small predatory animals, most are benthic and involve a polyp stage. 

    Monogeneans - A group of ectoparasitic flatworms commonly found on the skin, gills, or fins of fish.

    Mutualism - A type of symbiosis where both species benefit.

    Myxozoa - A group of aquatic parasites which contains some of the smallest animals known to exist.

    Neutralism - A type of symbiosis where neither species benefit nor are negatively affected.

    Parasitism - A type of symbiosis where one species benefits and one is harmed.

    Parasite burden - A measure of the number and virulence of the parasites that a host harbours.

    Symbiosis - “Living together” two different species living closely together.

    Teleosts - “Bony fishes”.

    Tunicate - These are marine invertebrates sometimes called “sea squirts”. 



    Links

    Rod’s research

    Rod’s article summarising the state of knowledge of deep-sea parasites in 2020

     

    Credits

    Theme – Hadal Zone Express by Märvel

     

    #Podcast #SciComm #Science #MarineBiology #DeepSea #DeepOcean #AlanJamieson #Rodbray #parasitology #parasites #parasite #fluke #worm #copepod #isopod #helminth #lifecycle #deepseaspecies #symbiotic #Donwalsh #ThomasLinley #newspecies #discovery #scicomm #submarine #biodiversity #deepseacreatures #symbiosis #news #mariana #geology

    29 min
  • 033 – Parasites with Rod Bray

    What if your deep-sea habitat was less rocky and more fleshy? That’s right, the time has come to talk all about deep-sea parasites and their fascinating life cycles. 

    We couldn’t think of anyone better to speak with than Dr Rod Bray, a pioneer in deep-sea parasitology research. Rod talks us through the captivating world of parasitic worms and his ongoing research into their ecology. 

    Continuing with the parasitic theme, Thom and Alan share their critiques (and also their love for) ‘The Last of Us’, an apocalyptic TV show involving fungal parasitology. The news is somewhat less parasite-y this month with Alan officially extending the depth records for several taxa and there’s a new species of cavefish described! Don also provides a highly unexpected story from his days as Captain of a submarine...

     

    Are you now suddenly parasite-obsessed?! Satisfy your cravings with your very own parasitic deep-sea podcast merch featuring our favourite parasite - the tongue-eating isopod, Cymothoa exigua!

    Check it out here!

     

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

    We’d love to actually play your voice so feel free to record a short audio note!

     

    We are also on 

    Twitter: @DeepSeaPod, @ArmatusO

    Facebook: DeepSeaPodcast, ArmatusOceanic 

    Instagram: @deepsea_podcast, @armatusoceanic

     

    Keep up with the team on social media

    Twitter: 

    Alan - @Hadalbloke (https://twitter.com/Hadalbloke)

    Thom - @ThomLinley (https://twitter.com/ThomLinley) 

    Georgia - @geeinthesea (https://twitter.com/geeinthesea) 

     

    Instagram: 

    Georgia - @geeinthesea (https://www.instagram.com/geeinthesea/) 

     

    Read the show notes and find out more about us at:

    www.armatusoceanic.com

     

    Glossary

    Cercaria - Offspring of digenean parasites.

    Chimaera - A group of cartilaginous fish mostly found in deep waters. 

    Competition - A type of symbiosis where both species are harmed.

    Commensalism - A type of symbiosis where one species benefits and the other is unaffected.

    Ctenophore - “Comb jelly” marine invertebrates found worldwide.

    Digeneans - A class of trematodes consisting of parasitic flatworms with two suckers.

    Ectoparasites - Parasites that live on the skin of the host.

    Elasmobranch - The subclass of cartilaginous fishes consisting of sharks, skates and rays.

    Emmensalism - A type of symbiosis where one species is harmed and one is unaffected.

    Endoparasites - Parasites that live inside the tissues of the host.

    Facultative symbiosis - A type of symbiosis which is optional; not necessary for survival. 

    Flukes - “Trematoda” is a class of flatworms. They are internal parasites with a complex life cycle requiring at least two hosts.

    Hydrozoan - A class of cnidaria. They are small predatory animals, most are benthic and involve a polyp stage. 

    Monogeneans - A group of ectoparasitic flatworms commonly found on the skin, gills, or fins of fish.

    Mutualism - A type of symbiosis where both species benefit.

    Myxozoa - A group of aquatic parasites which contains some of the smallest animals known to exist.

    Neutralism - A type of symbiosis where neither species benefit nor are negatively affected.

    Parasitism - A type of symbiosis where one species benefits and one is harmed.

    Parasite burden - A measure of the number and virulence of the parasites that a host harbours.

    Symbiosis - “Living together” two different species living closely together.

    Teleosts - “Bony fishes”.

    Tunicate - These are marine invertebrates sometimes called “sea squirts”. 



    Links

    Rod’s article summarising the state of knowledge of deep-sea parasites in 2020

    Alans research centre (and jobs)

    New depth records for ctenophores, hydrozoans and tunicates in the hadal zone

    A latitudinal gradient of deep-sea invasions for marine fishes

    A paper and news article describing a new fish species discovered in India living in an aquifer

    New phantom jelly seen

    The Last of us opening scene on fungal parasites

     

    Guns N’ Roses - My Michelle

    Youtube

    Spotify

     

    Credits

    Theme – Hadal Zone Express by Märvel

     

    #Podcast #SciComm #Science #MarineBiology #DeepSea #DeepOcean #AlanJamieson #Rodbray #parasitology #parasites #parasite #fluke #worm #copepod #isopod #helminth #lifecycle #deepseaspecies #symbiotic #Donwalsh #ThomasLinley #newspecies #discovery #scicomm #submarine #biodiversity #deepseacreatures #symbiosis #news #mariana #geology

    1 hr 16 min
  • PRESSURISED: 006 - Deep-sea mining

    Our short and to the point PRESSURISED version of episode 6. 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!

     

    Our world is rapidly changing. As we move away from fossil fuels and our use of electronics increases, demand is climbing for a handful of metals key to the manufacture of modern technology. Mining the deep sea may meet these demands but is probably the most contentious issue the community is facing right now. Is there a net benefit for the deep sea, funding research and understanding, addressing climate change, and encouraging developing nations? Or is the deep sea too fragile and too unknown to be responsibly exploited?

    We bite off far more than we can chew by taking on this issue in a deep-sea mining special episode. Luckily, we have some guests we can call on to help us understand the issue. Professor Jeffrey Drazen of University of Hawai`i at Manoa explains just what deep-sea mining is and its ecological impacts. We then speak with Michael Lodge, secretary-general of the International Seabed Authority (ISA). The ISA, comprised of 167 member states and the European Union, regulates, and controls all mineral-related activities in the open ocean – that’s the majority of the planet!

    Subscribe and find out more here: https://www.armatusoceanic.com/podcast/006-deep-sea-mining-special

    Theme – Hadal Zone Express by Märvel (http://marvel.nu/)

    Image - Alan Jamieson

    Links

    ISA website: https://www.isa.org.jm/

    DeepData: https://www.isa.org.jm/deepdata

    UNESCO report: http://whc.unesco.org/en/news/1535/

     

    #deepseacreatures #deepseamining #deepsea #deepocean #hydrothermalvents #isa #internationalseabedauthority #science #marinebiology #nodules #submarine #scicomm #podcast

    37 min
  • PRESSURISED: 032 - Whale falls with Craig smith

    Our short and to the point PRESSURISED version of episode 32. 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/032-whale-falls

     

    This month is a fun one (maybe not if you love cetaceans) as we’re covering whale falls! That’s right, dead whales and the ecosystems they create on the seafloor. Professor Craig smith joins us to talk all about the stages of decomposition, the key species that whale falls support, and some truly wild tales from the high seas. 

     

    Keep updated with our latest releases by subscribing to our newsletter here

    eepurl.com/ihK4Hz

     

    Check out our podcast merch here! Which now includes Alan’s beloved apron and a much anticipated new design... 

     

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

    We’d love to actually play your voice so feel free to record a short audio note!

     

    We are also on 

    Twitter: @DeepSeaPod, @ArmatusO

    Facebook: DeepSeaPodcast, ArmatusOceanic 

    Instagram: @deepsea_podcast, @armatusoceanic

     

    Keep up with the team on social media

    Twitter: 

    Alan - @Hadalbloke (https://twitter.com/Hadalbloke)

    Thom - @ThomLinley (https://twitter.com/ThomLinley) 

    Georgia - @geeinthesea (https://twitter.com/geeinthesea) 

     

    Instagram: 

    Georgia - @geeinthesea (https://www.instagram.com/geeinthesea/) 

     

    Read the show notes and find out more about us at:

    www.armatusoceanic.com

     

    Glossary

    Blubber - The fat of sea mammals.

    Cadaverine - A compound formed in the decay of animal proteins after death.

    Cetacean - The scientific name for whales, dolphins and porpoises.

    Chemoautotrophic - Obtains energy through chemical reactions rather than light.

    Hagfish - Eel-shaped, slime-producing fish. 

    Hydroxyapatite - A mineral which makes up whale bones.

    Osedax - A family of “bone-eating” worms which are found feasting on whale bones.

    Putracene - A compound formed in the decay of animal proteins after death.

    Purse seine netting - A vertical net ‘curtain’ which can be drawn together to enclose the whale.

    Sleeper sharks - Family: Somniosidae. Slow-moving sharks which can be seen feeding on whale falls.

    Stoneley waves - a boundary wave (or interface wave) that typically propagates along a solid-solid interface.

     

    Links

    Craig’s research group

    Craig's article on whale fall ecology (2003)

    We released a piece in The Conversation on the Moon Analogy

     

    Credits

    Theme – Hadal Zone Express by Märvel

     

    30 min
  • The Deep-Sea Podcast - Trailer

    Join world-leading deep-sea scientists Professor Alan Jamieson and Dr Thom Linley, as they talk about everything deep sea!

    Interesting facts, recent news, myth-busting and interviews with the most interesting people they know. Plus, legendary tales from the high seas, from the first person to reach the bottom of the Mariana Trench: Don Walsh.

    With new episodes released every month, they show you the deep sea as it really is, without removing any of the wonder.

     

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

    https://www.deepseapod.com

     

    BlueSky: @deepseapod.com

    Twitter: @DeepSeaPod

    Instagram: @deepsea_podcast

    YouTube: https://www.youtube.com/channel/UCoR7X8LDymwSQZDJ4s69CNA

     

     

    2 min
  • 032 - Whale falls with Craig Smith

    This month is a fun one (maybe not if you love cetaceans) as we’re covering whale falls! That’s right, dead whales and the ecosystems they create on the seafloor. Professor Craig Smith joins us to talk all about the stages of decomposition, the key species that whale falls support, and some truly wild tales from the high seas. 

    We finally answer the big question, what smells worse: a dead whale or a dead deep-sea sponge? The answer might not be what you expect. We also hear from a couple friends of the show, including Shelly, who may have found one of the earliest comparisons of the moon and the deep sea, and Otis, who talks us through his research on the back of our last episode on hydrothermal vents. 

    In other news, consuming deep-sea water lowers cholesterol (this one is definitely, absolutely, 100% true), there’s a new deep-sea documentary premiering at Sundance and we made our first 30p (and a pint)! This newfound success has pushed us to release another Deco-Stop episode on neurodiversity in science, coming to you next month!

     

    Keep updated with our latest releases by subscribing to our newsletter here

     

    Check out our podcast merch here! Which now includes Alan’s beloved apron and a much anticipated new design... 

     

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

    We’d love to actually play your voice so feel free to record a short audio note!

     

    We are also on 

    Twitter: @DeepSeaPod, @ArmatusO

    Facebook: DeepSeaPodcast, ArmatusOceanic 

    Instagram: @deepsea_podcast, @armatusoceanic

     

    Keep up with the team on social media

    Twitter: 

    Alan - @Hadalbloke 

    Thom - @ThomLinley

    Georgia - @geeinthesea 

     

    Instagram: 

    Georgia - @geeinthesea

     

    Read the show notes and find out more about us at:

    www.armatusoceanic.com

     

    Glossary

    Blubber - The fat of sea mammals.

    Cadaverine - A compound formed in the decay of animal proteins after death.

    Cetacean - The scientific name for whales, dolphins and porpoises.

    Chemoautotrophic - Obtains energy through chemical reactions rather than light.

    Hagfish - An eel-shaped, slime-producing fish. 

    Hydroxyapatite - A mineral which makes up whale bones.

    Osedax - A family of “bone-eating” worms which are often found feasting on whale bones.

    Putracene - A compound formed in the decay of animal proteins after death.

    Purse seine netting - A vertical net ‘curtain’ which can be drawn together to enclose the whale.

    Sleeper sharks - Family: Somniosidae. Slow-moving sharks which can be seen feeding on whale falls.

    Stoneley waves - A boundary wave (or interface wave) that typically propagates along a solid-solid interface.



    Links

    Craig’s research group

    Craig's article on whale fall ecology (2003)

    ‘Rare’ deep-sea fish turns out to not be rare at all

    A news article and published paper on how glass sponges could provide treatment against Covid-19

    A new deep-sea video game has just been released called “Surviving the Abyss”

    Deep Rising, the film featuring and produced by Aquaman himself, Jason Momoa, has had its premiere at Sundance Film Festival

    We released a piece in The Conversation on the Moon Analogy

    Otis Brunner’s twitter 

     

    Parade of the Wooden Soldiers - New York Percussion Trio

    Youtube

    Spotify

     

    Credits

    Theme – Hadal Zone Express by Märvel

    Logo image

    Image courtesy of NOAA

     

    #whalefalls #whalefall #whalefallecosystems #osedax #Podcast #SciComm #Science #MarineBiology #DeepSea #DeepOcean #AlanJamieson #Donwalsh #ThomasLinley #craigsmith #discovery #scicomm #submarine # #biodiversity #deepseacreatures  #boneeatingworms #zombieworms #fossils #sundance #deepseamining #jasonmomoa 

    1 hr 11 min
  • PRESSURISED: 005 - Storytelling with Susan Casey

    Our short and to the point PRESSURISED version of episode 5. 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: www.armatusoceanic.com/podcast/005-storytelling-with-author-susan-case

     

    In this episode we explore the power of storytelling and complete the arc of our first five episodes: science communication and perception of the deep sea.

     

    We talk with multiple New York Times bestseller Susan Casey about telling a good story and engaging people with a narrative, while still being scientifically accurate. Plus, Don Walsh is kind enough to record his thoughts on the importance of good storytellers.

     

    Check out our podcast merch here! Which now includes Alan’s beloved apron and a much anticipated new design... 

     

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

    We’d love to actually play your voice so feel free to record a short audio note!

     

    We are also on 

    Twitter: @DeepSeaPod, @ArmatusO

    Facebook: DeepSeaPodcast, ArmatusOceanic 

    Instagram: @deepsea_podcast, @armatusoceanic

     

    Keep up with the team on social media

    Twitter: 

    Alan - @Hadalbloke (https://twitter.com/Hadalbloke)

    Thom - @ThomLinley (https://twitter.com/ThomLinley) 

    Georgia - @geeinthesea (https://twitter.com/geeinthesea) 

     

    Instagram: 

    Georgia - @geeinthesea (https://www.instagram.com/geeinthesea/) 

     

    Read the show notes and find out more about us at:

    www.armatusoceanic.com

     

    Credits

    Theme – Hadal Zone Express by Märvel

    Logo image - The Deep-Sea Podcast: PRESSURISED

    28 min
  • PRESSURISED: 031 - Hydrothermal vents with Charles ”Chuck” Fisher

    Our short and to the point PRESSURISED version of episode 31. 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: www.armatusoceanic.com/podcast/031-hydrothermal-vents

     

    We’re continuing on our iconic deep-sea habitat trilogy with the episode you’ve all been waiting for… HYDROTHERMAL VENTS!

    We speak to the incredible Charles “Chuck” Fisher, a pivotal biologist in hydrothermal vent research, about these fascinating habitats and the organisms which exist there. We learn about the iconic tube-worms and their specialised adaptations to life in these extreme environments. Plus, Chuck does some of his own myth-busting and sets the record straight on a common tubeworm trope. 

    Don shares his own experiences of these impressive habitats (and the not-so-impressive lunches that came alongside them). Buckle-up for a big one!

     

    Check out our podcast merch here! Which now includes Alan’s beloved apron and a much anticipated new design... 

     

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

    We’d love to actually play your voice so feel free to record a short audio note!

     

    We are also on 

    Twitter: @DeepSeaPod, @ArmatusO

    Facebook: DeepSeaPodcast, ArmatusOceanic 

    Instagram: @deepsea_podcast, @armatusoceanic

     

    Keep up with the team on social media

    Twitter: 

    Alan - @Hadalbloke (https://twitter.com/Hadalbloke)

    Thom - @ThomLinley (https://twitter.com/ThomLinley) 

    Georgia - @geeinthesea (https://twitter.com/geeinthesea) 

     

    Instagram: 

    Georgia - @geeinthesea (https://www.instagram.com/geeinthesea/) 

     

    Read the show notes and find out more about us at:

    www.armatusoceanic.com

     

    Glossary
    • Annelid - The name for segmented worms.
  • Biogeography - The study of the present and past distribution patterns of biological diversity and their underlying environmental and historical causes.
  • Calcareous - Containing calcium carbonate.
  • Escarpia - A genus of tube worm found at cold seeps.
  • Invasive species - An organism that typically causes ecological or economic harm in a new environment where it is not native.
  • Lamellibrachia - A type of cold seep tubeworm related to the giant tube worm, Riftia pachyptila
  • Larvae - A juvenile form before transforming into adults.
  • Osedax - Bone-eating worms which live in the deep sea, typically on whale carcasses.
  • Riftia pachyptila - The giant tubeworm found at hydrothermal vents in the deep-sea.
  • Symbiotic - A mutually beneficial relationship between different organisms.
  • Trophosome - specialised sac in tube worms where chemosynthetic bacteria are housed
  • Vestimentiferan tubeworm - A taxon of marine deep-sea worm-like animals living in chitinous tubes and lack a digestive tract.
  • Links

    Chuck’s research group

    Chuck’s article on hydrothermal vent communities

    Chuck’s article on cold seeps in the Gulf of Mexico

     

    Credits

    Theme – Hadal Zone Express by Märvel

    Logo image - The Deep-Sea Podcast: PRESSURISED

    30 min
  • 031 - Hydrothermal vents with Charles ”Chuck” Fisher

    We’re continuing on our iconic deep-sea habitat trilogy with the episode you’ve all been waiting for… HYDROTHERMAL VENTS! In this jam-packed episode we cover forgotten Christmas specials, lebensspuren, deep-sea sandwiches and climate crisis sea-shanties (and that’s only in the first 20 minutes)! 

    We speak to the incredible Charles “Chuck” Fisher, a pivotal biologist in hydrothermal vent research, about these fascinating habitats and the organisms which exist there. We learn about the iconic tube-worms and their specialised adaptations to life in these extreme environments. Plus, Chuck does some of his own myth-busting and sets the record straight on a common tube worm trope. 

    Don shares his own experiences of these impressive habitats (and the not-so-impressive lunches that came alongside them). Plus, we hear from you in the form of listener questions, children’s books and (another?!) deep-sea conspiracy theory. Buckle-up for a big one!

     

    Check out our podcast merch here! Which now includes Alan’s beloved apron and a much anticipated new design... 

     

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

    We’d love to actually play your voice so feel free to record a short audio note!

     

    We are also on 

    Twitter: @DeepSeaPod, @ArmatusO

    Facebook: DeepSeaPodcast, ArmatusOceanic 

    Instagram: @deepsea_podcast, @armatusoceanic

     

    Keep up with the team on social media

    We’ve been off-piste for a while now so we thought we’d jump straight back into the deep sea with a series of episodes on deep-sea habitats. We’re starting off strong with a huge episode on seamounts! We speak to a friend of the show, Ashley Rowden who’s an expert in all-things benthic and we find out why seamounts are just so cool. We also get a little distracted and reminisce about the ultimate offshore championship: sausage-fest. 

    We get to hear from the scientists on board the RRS Discovery who are currently on an expedition to discover the life that exists on the seamounts surrounding St Helena and the Ascension Islands. A couple of our friends on board also recall their ‘crossing the line’ experience, and how they’re finding working on board a research vessel.

    We have huge news! You’ll be very excited to hear that we have released a new design for our merch, featuring our favourite parasite - the tongue-eating isopod, Cymothoa exigua! A perfect gift this holiday season for the whole family. 

    Check out our podcast merch here! Which now includes Alan’s beloved apron and a much anticipated new design... 

     

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

     

    We’d love to actually play your voice so feel free to record a short audio note!

     

    We are also on 

    Twitter: @DeepSeaPod, @ArmatusO

     

    Facebook: DeepSeaPodcast, ArmatusOceanic 

     

    Instagram: @deepsea_podcast, @armatusoceanic

     

    Keep up with the team on social media

    Twitter: 

    Alan - @Hadalbloke

    Thom - @ThomLinley

    Georgia - @geeinthesea

     

    Instagram: 

    Georgia - @geeinthesea 

     

    Read the show notes and find out more about us at:

    www.armatusoceanic.com

     

    Glossary

    Annelid - The name for segmented worms.

    Biogeography - The study of the present and past distribution patterns of biological diversity and their underlying environmental and historical causes.

    Calcareous - Containing calcium carbonate.

    Escarpia - A genus of tube worm found at cold seeps.

    Invasive species - An organism that typically causes ecological or economic harm in a new environment where it is not native.

    Lamellibrachia - A type of cold seep tubeworm related to the giant tube worm, Riftia pachyptila

    Larvae - A juvenile form before transforming into adults.

    Lebensspuren - Meaning “life-traces”, an ecological term referring to the tracks made by benthic organisms. 

    Müllspuren - “Meaning “bag-traces”, referring to the unnatural traces plastic bags leave behind on the seafloor.

    Osedax - Bone-eating worms which live in the deep sea, typically on whale carcasses.

    Riftia pachyptila - The giant tubeworm found at hydrothermal vents in the deep-sea.

    Symbiotic - A mutually beneficial relationship between different organisms.

    Trophosome - specialised sac in tube worms where chemosynthetic bacteria are housed

    Vestimentiferan tubeworm - A taxon of marine deep-sea worm-like animals living in chitinous tubes and lack a digestive tract.

     

    Links

    Chuck’s research group

    Chuck’s article on hydrothermal vent communities

    Chuck’s article on cold seeps in the Gulf of Mexico

    Deep sea species on Australian coins

    Alan’s new paper on müllspuren.

    Deep sea sandwiches, in the news and the original published article

    Most deep-sea microbes are inactive, in the news and the original published article

    James Cameron comes on the podcast

    Top 10 Deep sea Creatures 2022

    Oly and Opi: The curious octopus twins children’s story

    Jake Hewitt photography

     

    Oli Frost - The Pirate Emergency

    Youtube

    Spotify

     

    Credits

    Theme – Hadal Zone Express by Märvel

    Logo image

    Image courtesy of Chuck Fisher and WHOI

    1 hr 22 min
  • PRESSURISED: 030 - Seamounts with Ashley Rowden

    Our short and to the point PRESSURISED version of episode 30. 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: www.armatusoceanic.com/podcast/030-seamounts

     

    We’ve been off-piste for a while now so we thought we’d jump straight back into the deep sea with a series of episodes on deep-sea habitats. We’re starting off strong with a huge episode on seamounts! We speak to a friend of the show, Ashley Rowden who’s an expert in all-things benthic and we find out why seamounts are just so cool. 

    We get to hear from Don as he recalls his experiences of "crossing the line", a tradition deep-rooted in the maritime industry. 

    We have huge news! You’ll be very excited to hear that we have released a new design for our merch, featuring our favourite parasite - the tongue-eating isopod, Cymothoa exigua! A perfect gift this holiday season for the whole family. Check out our podcast merch here! Which now includes Alan’s beloved apron.

     

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

    We’d love to actually play your voice so feel free to record a short audio note!

     

    We are also on

    Twitter: @DeepSeaPod, @ArmatusO

     

    Facebook: DeepSeaPodcast, ArmatusOceanic

     

    Instagram: @deepsea_podcast, @armatusoceanic

     

    Glossary
    • Albatross - a very large white oceanic bird
  • Baikal - The world's deepest lake (1642 m deep), based in Siberia
  • Guyots - Flat-topped underwater mountains
  • Knoll - Less than 1000m underwater mountain
  • Manganese nodules - Potato-sized clumps of metals (mostly manganese and iron) found on the sea floor. These metals are used in the production of batteries
  • Orange roughy - (Hoplostethus atlanticus) A deep-sea fish which was famously historically overfished
  • Productivity - The rate of growth of a habitat, usually referring to biomass
  • Satellite altimeters - equipment which measures altitude or surface topography via satellite
  • Seamount - An underwater mountain which ascends more than 1000m
  • Sedimentation - The process of sediment sinking and then building up at the bottom of the water column
  • Seismic - Activity related to volcanoes or earthquakes
  •  

    Links

    Deep-sea mining is mentioned at COP27

    3000 tonnes of polymetallic nodules are taken from the deep by deep-sea mining company

    Ashley’s research and recommended reading

    Ashley’s paper on seamount ecology

    Clarke & Dunn (2012) paper on the sustainable management of seamount fisheries

    Clark et al (2013) article on future priorities for seamount research.

    Dunn & Forman (2011) orange roughy distribution

    Hubbs’ 1959 iconic article on seamounts.

    Global seamounts project - an initiative that’s exploring seamounts

    Credits

    Theme – Hadal Zone Express by Märvel

    Logo image - The Deep-Sea Podcast: PRESSURISED

    25 min

About The Deep-Sea Podcast

From the publisher's feed

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.

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