One of the most beautiful and strange examples of this is the Pacific barreleye fish (Macropinna microstoma), small fish that live in the twilit ocean at depths of 600 to 800 meters (2,000 to ...

They live on the Arctic and Antarctic ocean floor down to depths of 13,100 feet (4,000 m), ... This eel grows to about 3.3 feet (1 m) long and feeds mainly on small fish.

The rarest fish in the game aren’t just hard to find, they’re mysterious and often worth a small fortune in Bells. These slippery legends are worth the hunt.

Black seadevils can live up to 15,000 feet under the ocean surface, with humpback anglerfish specifically known to live as deep as roughly 6,500 feet under the sea, according to the researchers.

Scientists call this section of the ocean the “twilight zone” because the fish that inhabit it are basically living in darkness with only a small glimpse of light, Paig-Tran said.

The Fish and Wildlife Service says it needs more time to examine the science while considering protections for two species of small fish that live in an aquifer. Two species of blind cave-dwelling ...