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Perch (Perca sp.)

Perch (Perca sp.) internal anatomy
Internal anatomy of the perch from a lateral point of view. Organs along a sagittal cut from the head to the tail: gills, brain, dorsal aorta, heart, esophagus (gullet), kidney, liver, gallbladder, pancreas, stomach, spinal cord, swim bladder, intestine, gonads (reproductive organs), anus, urinary bladder, Footnote *posterior vertebrae and Footnote **posterior section of the body muscles.
Perch (Perca sp.) external anatomy
External anatomy of the perch from a lateral point of view. From the head to the tail: mouth, eye, operculum (gill cover), pectoral fin, pelvic (ventral) fins, dorsal fins, vent (anus and urogenital orifice), anal fin and caudal (tail) fin.
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