Famously feisty fish (7)

I believe the answer is:

piranha

(Other definitions for piranha that I've seen before include "Voracious river fish" , "Small voracious carnivorous fish" , "Voracious eater" , "Fierce small fish of the Amazon" , "Sharp-toothed fish" .)

I've seen this clue in the King Feature Syndicate.

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