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Perch Anatomy

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2 chambered and Carbon dioxide rich blood biodidac.bio.uottawa.ca
The operculum covers and protects the sensitive gills. faculty.nmu.edu
The Spiny Dorsal Fin aids in its movement, especially in sharp turns. thumbs.dreamstime.com
Soft dorsal fin also aids in in its movement. www.fsbio-hannover.de
The caudal fin provides the perch with the ability of strong propulsion forward. thumbs.dreamstime.com
The homocercal tail is a fish tail that is symmetrical with the upper and lower parts of it. s3.amazonaws.com
The anal fin provides stability on the bottom side of the perch. www.seagrant.wisc.edu
The pelvic fin is located at the sides of the perch, providing stability on both sides. jb004.k12.sd.us
The swim bladder contains oxygen so it can keep its depth in the water without sinking or floating. classconnection.s3.amazonaws.com