• synonyms

blue catfish

or blue cat

  1. a large freshwater catfish, Ictalurus furcatus, that is a popular food fish in the states of the Mississippi River valley.
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Origin of blue catfish

An Americanism dating back to 1825–35
Also called blue channel cat, blue channel catfish.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018