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PERCH DISSECTION LAB

PERCH DISSECTION LAB. What is a perch?.

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PERCH DISSECTION LAB

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  1. PERCH DISSECTIONLAB

  2. What is a perch? • Perch are members of the Class Osteichthyes, or bony fishes. Food enters the fish’s mouth and passes through the stomach and into the intestine. Digestion is aided by bile produced by the liver, which is attached to the intestine. Solid waste passes out through the anus.

  3. Movement Movement is achieved by the action of muscles attached to the bony skeleton of the fish and is guided by the action of several types of fins. The fish has an air bladder in its body to help it stay afloat.

  4. ANTERIOR DORSAL FIN

  5. CAUDAL FIN

  6. ANAL FIN

  7. GILL ARCH

  8. INTESTINE

  9. LATERAL LINE

  10. HEART

  11. ANUS

  12. LATERAL PELVIC FIN

  13. LIVER

  14. PECTORAL FIN

  15. PELVIC FIN VENTRAL VIEW

  16. POSTERIOR DORSAL FIN

  17. SPLEEN

  18. STOMACH

  19. SWIM BLADDER

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