Saturday, January 8, 2011

Perch Dissection

External
  • Eyes
  • Fins- dorsal (stability), pelvic (stability), pectoral (side to side movement), caudal (propels), anal (stability)
  • Lateral line
  • Operculum and Gills
Internal
  • Liver
  • Heart (atrium and ventricle)
  • Swim bladder- controls buoyancy
  • Mouth, Pharynx, Esophagus, Stomach (snails!), Intestine, Anus
  • Brain and large Optic nerves
Diet
  • Snails

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