Swimming Inside A Perch
Perch Dissection Lab
John Labador
04-09-14
Mitcham-PAPBio-2nd
Objective
-Observe the placement of organs and their relationship to one another
Background Information
Circulatory System
Other Information
-Fresh water species
-Belongs to the family parcidae
Taxonomy
Evolution
Ecology
Habitat: Fresh Water
Predators: Heron, Bullfrog
Prey: Crayfish
Trophic Level: Secondary Consumers
Body Systems
air bladder -Flexible air-filled sac located above the viscera; it allows the fish to remain buoyant at a specific depth.
vertebral column-Movable bony axis made up of various parts articulating with each other (vertebrae); it supports the skeleton and contains the spinal cord.
kidney-Organ that eliminates metabolic waste and maintains the pressure of internal fluids.
intestine-Section of the digestive tract between the stomach and the anus where absorption of nutrients is carried out and waste is transformed into fecal matter.
stomach -Dilated section of the digestive tract preceding the intestine; it receives food to be digested.
pyloric cecum-Lateral canal of the digestive tract where a part of digestion mainly occurs, as well as fermentation.
esophagus-Canal of the anterior portion of the digestive tract; it carries food to the stomach.
heart-Muscular organ helping blood to circulate.
Human Influence
Many people eat Yellow Perch, and they are a favorite among fishermen. Most people use worms or minnows to try to catch them. Yellow Perch also help people by controlling populations of other fish and aquatic animals.