gill cover

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gill cover

n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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.
The research, which involves marking chinook salmon by punching small holes in their gill covers - as well as inserting radio transmitters in a few fish - is being conducted to meet Oregon's obligation under the U.S./Canada Pacific Salmon Treaty.
You ever seen a fish with real sharp teeth, fins, and gill covers do a pirouette in a net?
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.
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 present results appear to indicate, for acute poisoning, a detoxification-dependent effect from methylmercury only for the behavior of opening the gill covers. When the detoxification times are compared with each other for the other analyzed variables, we observe an effect from detoxification from the substance.