Guzman - PAP BIO - 7. Juan Torres.


Students will dissect a perch and learn about a perch's organ, and as well as its external body.

The Perch (Perca)

The perch is a common name for fish. The perch belongs to the kingdom animalia, the phylum chordata, and the genus perca. A perch's body is usually round and long. A perch is known to be carnivorous. The niche of the perch is to provide food to its predators in order to continue the balanced food chain the water. A perch has many adaptations that makes its percent of survival great in the water. These adaptations include:

  • Gills are an adaptation that enables the fish to breathe underwater.
  • Scales provides protection for the perch's body.
  • Fins allow for the perch to swim swiftly in the water.
  • Palatines are teeth that help the perch eat small insects and fish.

The Circulatory System of a Perch

The circulatory of the perch enables it to sufficiently survive. The organs of the circulatory system include the 2 chambered heart, the arteries, gills, capillaries, and veins. The purpose of the circulatory system in the perch is to pump blood through its body, keeping the perch alive.
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The perch can be found abundantly throughout North America.
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  1. A perch grows from an average of 10 inches to 20 inches.
  2. The temperature of the water in order for the perch to survive must be 20 degrees celcius to 25 degrees celcius.
  3. Perch can either be omnivorous or herbivorous.

Learn how to properly dissect a perch!

Perch Dissection.wmv

Cladogram with a perch in it!

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Learn more about the evolutionary history of the Nile perch!