gill cover


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

gill cover

n.
References in periodicals archive ?
Given that the central control of the gill cover opening is different from the rest of the behaviors (Gorlick, 1989), it is possible that methylmercury differentially affects the elements of the display.
Sliding my fingers under the gill cover of the fish to hold it firmly in the net, I lifted its giant head enough to wiggle the single hook free.
If you gently put your fingers inside a gill cover until you reach the gristly jaw bone where there are no teeth, the pike will open its mouth wide so you can take the hooks out with artery forceps.
All sizes show blue lines in the gill cover and along the back, with a single black spot near the dorsal fin about three-quarters of the way to the fin.
Differs from pumpkinseed by its long, narrow black gill cover.