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.
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