gill cover

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gill cover

n.
References in periodicals archive ?
Control your fish by gripping it under the soft gill covers where you can get a solid handle opposite the lure without actually touching/harming the gills.
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.
The first extracted components contains the behaviors of floating, resting at the bottom, breathing, shaking, arching, charging, and retreating, being, therefore, a component of the accessory elements of the display; the second components contains the behaviors of swimming with fins, undulating, and opening the gill covers, thus configuring a component of motility; the third components contains the behaviors of horizontal and vertical display, configuring the component of the display itself.
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.