Fish Dissection Diagram

1. Obtain a perch & rinse off the excess preservative, dab with paper towel. Place the perch in your dissecting pan. 2. Label the anterior, posterior, dorsal, and ventral sides of the perch on Figure 1. 4. Open the perch's mouth and observe its bony jaws. 5. Feel the inside of the mouth for the teeth. Locate & label the tongue & teeth on Figure.. Find the bony covering on each side of the fish's head called the operculum . Cut away operculum and look at gill. PERCH DISSECTION pictures to go along with lab Author: pamela sime Created Date: 11/7/2014 4:39:28 PM.

anatomy of a perch Perch: snub-nosed bony freshwater fish with an oval body and a spiny dorsal fin; the flesh of this fish is highly valued. previous. next. muscle segment. In fish, the female produces eggs in the ovaries and the male produces soft roe in the testicles; the eggs and roe are expelled into the water, where fertilization occurs. 1. Place a perch on a dissecting tray. Locate the head. Examine the eyes. 2. Are any eyelids present? Yes. 3. Draw the eye. 4. Label the eye on the drawing of the perch. 5. Examine the two flaps on either side of the head. These flaps are the operculum. They cover the gills, which absorb oxygen by filtering water through them. Label these flaps.