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1. (Animals) any of several freshwater North American hump-backed cyprinoid fishes of the genus Ictiobus: family Catostomidae (suckers)
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|Noun||1.||buffalo fish - any of several large suckers of the Mississippi valley|
sucker - mostly North American freshwater fishes with a thick-lipped mouth for feeding by suction; related to carps
buffalofish - large carp-like North American fish