Perch Dissection Lab

By Harry Katz Vu-PAPBIO-3

Objective

The objective is to observe the placement of organs in a perch and to understand their relationship to one another.

Background Information

Scientific name- Perch belong to the genus perca

Habitat- freshwater areas with submerged vegetation

Predators- larger fish

prey- Perch eat insects,snails,zooplankton, invertebrates and other small fish.

ecological adaptations- Perch have gills to help with respiration, fins and tails for swimming, and scales for protection.

Circulatory System

The circulatory of the perch is a low pressure single type system. The heart is a single pump, and their is a single circuit of blood flow.In which the heart consists of one atrium and one ventricle. Oxygen poor blood is pumped from the heart to the lungs. After the blood becomes oxygenated it then travels to the tissue, and then back to the heart.
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Extra Information

Interesting facts

-yellow perch can reach a length of 16 in. and weigh about two pounds.

-different species of perches can be found around the world.

-Yellow perch lay their eggs in long strands, usually hanging or floating on vegetation or some other structure.

-Other than as a source of food, the perch has not had a major impact on humans

Taxonomy

Kingdom: Animalia

phylum: Chordata

Class: Actinopterygii

Order: Perciformes

Genus: Perca