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Bioluminescence, crushing pressure, and eternal darkness — the strange animals adapted to the deep ocean.
Fish
The deep-sea hunter with a glowing lure
Invertebrate
The elusive deep-sea giant with enormous eyes
The deep-sea fish that only looks like a blob out of water
Mammal
The largest animal that has ever lived
The shape-shifting genius of the sea
The ancient, brainless drifter of the seas
The only mammal that lives entirely on blood