''Melanocetus polyactis'' is a species of

black seadevil Black seadevils are small, deepsea lophiiform fishes of the family Melanocetidae. The five known species (with only two given common names) are all within the genus ''Melanocetus''. They are found in tropical to temperate waters of the Atlantic, ...

, a type of

anglerfish The anglerfish are fish of the teleost order Lophiiformes (). They are bony fish named for their characteristic mode of predation, in which a modified luminescent fin ray (the esca or illicium) acts as a lure for other fish. The luminescence ...

. The fish is

bathypelagic The bathypelagic zone or bathyal zone (from Greek βαθύς (bathýs), deep) is the part of the open ocean that extends from a depth of below the ocean surface. It lies between the mesopelagic above, and the abyssopelagic below. The bathypelagic ...

and has been found at depths ranging from . It is endemic to the Gulf of Panama.

References

Melanocetidae Deep sea fish Fish described in 1925 Taxa named by Charles Tate Regan {{Lophiiformes-stub