How do deep sea critters survive in extreme environments like Arctic methane seeps?

How do deep sea critters survive in extreme environments like Arctic methane seeps? One small sample of sediment can tell us a lot! The sediments in this box core we collected will be used by many scientists to see who lives where, and how they survive in the cold depths of the Arctic . . . #arcticocean #arcticscience #polhavet #seafloor