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Definition of blue catfish
blue catfish
Plural:blue catfish
• noun
1
North American A large species of North American freshwater catfish (Ictalurus furcatus) native to the Mississippi River basin, characterized by its slate-blue skin, deeply forked tail, and prominent whisker-like barbels.
Example
"The angler carefully released the massive blue catfish back into the Missouri River after weighing it."
Synonyms
View all synonyms for blue catfish• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Blue catfish. In Wordmom Dictionary. Retrieved Oct 18, 2026, from https://wordmom.com/dictionary/blue%20catfish