Perch-ed to Dissect

Sydney Merritt - Period 4 - Guzman

Perca

Perch are freshwater, bony fish that belong to the family Percidae. This genus is found under the phylum Chordata, and is a member of the kingdom Animalia. The Percidae is one of the most populous families in North America, outnumbered only by minnow families. The classification of the perch is as follows: Animalia, Chordata, Osteichtythes, Perciformes, Percidae and Perca.

Objectives

Students will be able to identify the major components of the perch circulatory system. Students will be able to fully comprehend the perch's niche, habitat and taxonomy.

Students will be able to identify the perch's role in its freshwater food web.

Cross-Referencing

Feeding Perch

Dissection

External Anatomy

Internal Anatomy

The Circulatory System

An Overview

The majority of the phylum chordata possess closed circulatory systems, including the perch. The perch circulatory system consists of the two-chambered heart (located on the ventral side), and a system of veins and arteries. This system functions to circulate oxygenated blood, minerals, and other substances to all organs in the body.

Fact or Fish-ion?

  • The largest perch caught in Maryland history weighed 3 lb. 5 oz. (Fact)
  • Male fish live longer than female fish. (Fiction)
  • Water temperature only has to be 7 degrees Celsius for the Yellow Perch to spawn (Fact)