ribbonfish

[ rib-uh n-fish ]
/ ˈrɪb ənˌfɪʃ /

noun, plural (especially collectively) rib·bon·fish, (especially referring to two or more kinds or species) rib·bon·fish·es.

any of several marine fishes of the families Trachipteridae, Regalicidae, and Lophotidae, having a long, compressed, ribbonlike body.
any of several related fishes, as the oarfish.
any of several unrelated but similar fishes, as the cutlassfish and jackknife-fish.
Also called snakefish.

Origin of ribbonfish

First recorded in 1785–95; ribbon + fish

British Dictionary definitions for ribbonfish

ribbonfish
/ (ˈrɪbənˌfɪʃ) /

noun plural -fish or -fishes

any of various soft-finned deep-sea teleost fishes, esp Regalecus glesne (see oarfish), that have an elongated compressed body. They are related to the opah and dealfishes