Nouns

(n)catfish, mudcatflesh of scaleless food fish of the southern United States; often farmed
(n)wolffish, wolf fish, catfishlarge ferocious northern deep-sea food fishes with strong teeth and no pelvic fins
(n)catfish, siluriform fishany of numerous mostly freshwater bottom-living fishes of Eurasia and North America with barbels like whiskers around the mouth

Verbs

(v)catfishTo deceive someone by professing romantic feelings but actually using a false identity