Hundreds of feet down in the Arabian Sea, a 2-foot-long creature with a "large" head and regrown tail moved through the water, or tried to at least. Something enveloped it and pulled it toward the ...

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Discover 25 bizarre deep sea adaptations you won't believe! Explore creatures with transparent heads, bioluminescent lures, ...

A lot of weird-looking life-forms lurk in the deep sea, and this year we got some spectacularly close looks at several of them, including a goofy Doctor Who–esque octopus, alienlike Antarctic dwellers ...