"catfish" in the noun sense
1. catfish, mudcat
flesh of scaleless food fish of the southern United States often farmed
2. wolffish, wolf fish, catfish
large ferocious northern deep-sea food fishes with strong teeth and no pelvic fins
3. catfish, siluriform fish
any of numerous mostly freshwater bottom-living fishes of Eurasia and North America with barbels like whiskers around the mouth
Source: WordNet® (An amazing lexical database of English)
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