Perch Mania

Perch Dissection by Melody Peng Pre-AP Biology Guzman P.6

Perca flavescens

The Perca flavescens or yellow perch, is a type of fish. It belongs to kingdom Animalia under the class Actinopterygii. It is a freshwater perciform fish native to much of North America. The yellow perch has a yellow to brass-colored body and distinct pattern, consisting of five to 9 olive-green, vertical bars, triangular in shape, on each side. Its fins are lighter in coloration, with an orange hue on the margins. The body is laterally compressed. The anterior portion of the body is deep, gradually tapering into a slender caudal peduncle. The opercle is partially scaled, and a single spine is present on the posterior margin.

Objectives

You will be learning about the both the external and internal anatomy of a yellow perch as well as its life cycle and habitats. Make sure to check out the vids!
Perch Dissection clip

The Digestive Sytem

The digestive system's specialized function is turning food into the energy and nutrients the perch needs to survive and packaging the residue for waste disposal . It is made up of the mouth, esophagus,pyloric cecum, stomach,liver,gallbladder, pancreas, intestine, and anus.

Fun facts

  • they can grow to be 20 inches
  • they contain gills
  • they mostly feed on invertabrates
  • spawning season is between April-May