When you dwell thousands of feet below the surface of the sea, you have to adapt. See how these deep-sea dwellers make the most of their ominous surroundings.

Chiasmodon niger, the black swallower, is a deep-sea fish belonging to the Chiasmodontidae family. It is notable for being able to consume fish that are larger than it.

The very mention of this deep-sea monster is enough to send shivers down anyone's spine. The black swallower, despite its slender appearance, has a large, expanded stomach capable of ingesting prey twice its size and ten times its mass.

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