PERCH DISSECTION LAB

Dec 09, 2025

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Discover the fascinating world of perch, bony fish from the class Osteichthyes. This guide outlines how food enters the fish's mouth, travels through the stomach, and into the intestine, supported by bile from the liver. Understand the mechanism of movement through muscles and fins, and learn how the air bladder aids in buoyancy. Explore crucial anatomical features such as the gill arch, lateral line, and various fins, all contributing to the perch's survival and efficiency in aquatic environments.

randall-rosario

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PERCH DISSECTION LAB

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PERCH DISSECTIONLAB
What is a perch? • Perch are members of the Class Osteichthyes, or bony fishes. Food enters the fish’s mouth and passes through the stomach and into the intestine. Digestion is aided by bile produced by the liver, which is attached to the intestine. Solid waste passes out through the anus.
Movement Movement is achieved by the action of muscles attached to the bony skeleton of the fish and is guided by the action of several types of fins. The fish has an air bladder in its body to help it stay afloat.