GEORGE BERNARD / SCIENCE PHOTO LIBRARY GEORGE BERNARD / SCIENCE PHOTO LIBRARY
Perch. Historical artwork of a species of perch (Perca sp.). This specimen was found at Niagara Falls, USA. The six or more vertical stripes on the fish's back are characteristic of perch. The red colouration of the pelvic and anal fins are also found on many species. Perch are freshwater fishes found in the northern hemisphere. Their diet includes worms, crustaceans and other fish. This new species of fish was described by the eminent French zoologist Georges Cuvier (1769-1832) and his colleague, Valenciennes, in 1835. They called the fish the granulated perch (Perca granulata).
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