noun, plural (especially collectively) buf·fa·lo·fish, (especially referring to two or more kinds or species) buf·fa·lo·fish·es.

any of several large, carplike, North American, freshwater fishes of the genus Ictiobus, of the sucker family.

Origin of buffalofish

An Americanism dating back to 1760–70; buffalo + fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019