Discover and read the best of Twitter Threads about #crinoid
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Huge congratulations to @Endurance_22 and @NatGeo for finding the wreck of #Shackleton’s #Endurance. The wreck is amazing but can we also talk about some of the #Antarctic sea floor creatures that now call it home! Add any others you spot to the thread! (1) 
Huge #Antarctic sea anemones (Hormathia or similar) dangle their tentacles in the icy water! All of the animals that I have spotted so far are filter feeding! (2)
Sea squirts pump water in and out through their two syphons to collect plankton and marine snow (dead things and poo raining down from the surface). (3)
