gill cover


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Related to gill cover: lateral line, pelvic fin, swim bladder

gill cover

[′gil kəv·ər]
(vertebrate zoology)
The fold of skin providing external protection for the gill apparatus of most fishes; it may be stiffened by bony plates and covered with scales.
References in periodicals archive ?
You ever seen a fish with real sharp teeth, fins, and gill covers do a pirouette in a net?
And sportsmen who fish for northern pike with professional regularity (more than once a year, and on TV), have probably mastered the art of snatching 20-pounders under the gill covers and dragging them on board without damaging fish or fingers.
Knotless nets - a legal requirement - should be used at all times and salmon should never be dragged over gravel and rocks, or held by the tail or gill covers.
Give that fish even a second to reach a crack or crevice and he'll park his backside, flare his gill covers against the walls and he's not coming out.
The scales are ejected from under the gill covers of the bass.