foul fish

English

Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Noun

foul fish (plural foul fish)

1. A kelt or salmon, which, having spawned, still remains in the fresh water before effecting its annual migration to the sea.
   • 1864, The Fishermans Magazine and Review, volume 1, page 331:

     I am aware that many anglers would disdain to kill foul fish, but am also aware that many others think it, as they say, first-rate sport.