Can a Perch Perch?
Perch Dissection (No, they cannot perch)
Perch are commonly found in a wide range of habitats such as small ponds, lakes, streams, or rivers. In these habitats, perch feed on smaller fish, shellfish, or insect larvae, but can be easily caught by fishermen with any bait. In fact, Lake Erie is popularly known by fishermen for its large amount of perch.
Lake Erie and Perch!
- Learn about the internal and external anatomy of the perch.
- Focus on the circulatory system of the perch and its organs.
Dissection of the Perch
Before the Dissection
Not dissected yet, just an observation of the outside of the perch.
A closer look at the perch's external features.
The Perch Dissected!
The insides of the perch are uncovered for all to see.
The external parts of a perch include the following: eye, mouth, pectoral fins, pelvic fins, scales, vent, anal fin, lateral line, caudal fin, soft dorsal fin, spiny dorsal fin, and operculum.
The internal parts of a perch include the following: pharynx, heart, liver, spleen, pancreas, ovary, intestine, swim bladder, anus, bladder, dorsal aorta, kidney, stomach, spinal cord, and brain.
The circulatory system of a perch consists of the following: artery, arteriole, capillary beds, venule, vein, atrium and ventricle (the heart), and gill capillaries.
The Circulatory System of a Perch
How does it work?
More Information on the Perch!