Perches
| Perches | |
|---|---|
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| Yellow perch (Perca flavescens) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Percidae |
| Subfamily: | Percinae |
| Genus: |
Perca Linnaeus, 1758 |
| Type species | |
|
Perca fluviatilis Linnaeus, 1758 |
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| Species | |
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Perch is a common name for fish of the genus Perca, freshwater gamefish belonging to the family Percidae. The perch, of which there are three species in different geographical areas, lend their name to a large order of vertebrates: the Perciformes, from the Greek perke, simply meaning perch, and the Latin forma meaning shape. Many species of freshwater gamefish more or less resemble perch, but belong to different genera. In fact, the exclusively saltwater dwelling red drum is often referred to as a red perch, though by definition perch are freshwater fish. Though many fish are referred to as perch as a common name, to be considered a true perch, the fish must be of the family Percidae.
The type species for this genus is the European perch, Perca fluviatilis.
Most authorities recognize three species within the perch genus:
The general body type of a perch is somewhat long and rounded. True perch have "rough" or ctenoid scales. On the anterior side of the head are the maxilla and lower mandible for the mouth, a pair of nostrils, and two lidless eyes. On the posterior sides are the opercula, which protect the gills, and the lateral line system, which is sensitive to vibrations in the water. The kidney of the perch runs along the backbone and forms a head, caudal to the gills. Perch have paired pectoral and pelvic fins, and two dorsal fins, the first one spiny and the second soft. These two fins can be separate or joined.
Perch are carnivorous fish most commonly found in small ponds, lakes, streams, or rivers. These fish feed on smaller fish, shellfish, or insect larvae, but can be caught with nearly any bait. They commonly spawn during the spring, when the females lay strings of eggs in covered areas such as near branches or underwater plants. Perch have a wide distribution throughout the world, and are very plentiful in the Great Lakes, especially Lake Erie.
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Wikipedia