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.

Origin of ribbonfish

First recorded in 1785–95; ribbon + fish
Also called snakefish.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012