Daniela Rojas~ Vu-PAP Bio-1st period

Background Information

Scientific Name: Perca

Habitat: any bodies of water

Predators: Larger fish, bullfrogs, and turtles.

Prey: Small fish, crayfish, snails, and worms.

Niche: Regulates the number of small fish.

Adaptations: The perch has many different fins that help it propel through water, keep them from rolling, and helps them steer and halt.


In this lab, each student will work with a lab group in order to learn from the dissection of a Perch. Dissection gives the student the opportunity to observe the placement of organs and their relationships to one another.

Circulatory System

The circulatory system of a perch is a low pressure, single loop system. There is one direction of blood flow from the heart, which acts as a pump.

Organs involved: The heart, veins, arteries, and gills.

Extra Information

  • Perches can live up to 13 years.
  • The largest perch ever found weighed 4.5 pounds.
  • Rarely found in depths deeper than 30 feet.