gill cover


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

gill cover

n.
References in periodicals archive ?
Wearing a glove, the fingers should be gently put inside a gill cover until you reach the gristly jaw bone where there are no teeth.
The main identification for the allis is five black spots down either flank and the twaite has two black smudges, one either side on the shoulders behind the gill covers.
The mud would come to life again, and Harada would begin his fishing, casting and snagging the mudskippers through their gill covers in one smooth motion that did not alarm the creatures enough to send them headlong into their hidey-holes.