Percina caprodes
    Log Perch

Log Perch

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The natural history of the northwoods

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Name:

  • Percina, "little perch"
  • caprodes, from the Greek, "resembling a pig", a reference to its snout
  • Common Name,

Taxonomy:

  • Kingdom Animalia
    • Phylum Chordata, animals with a spinal chord
    • Subphylum Vertebrata, animals with a backbone
      • Superclass Osteichthyes, bony fishes
      • Class Actinopterygii, ray-finned and spiny rayed fishes
      • Subclass Neopterygii
      • Infraclass Teleostei
        • Superorder Acanthopterygii,
        • Order Perciformes, the perch-like fishes
        • Suborder Percoidei
          • Family Percidae, the true perches
            • Genus Percina,

Description:

  • A large darter and one of the most common
  • Length to 5"
  • Weight
  • Coloration
    • yellowish-green with about 15 dark crossbands
    • belly
  • Body
    • dorsal fin of 15 rays
    • anal fin of 9 rays
    • lateral line of 80-90 scales with a black spot at the base of the anal fin.
  • Head
    • broad with tapered snout overhanging mouth
    • top of head depressed between the eyes

Identification:

Distribution:

  • By far the most widely distributed of all the darter species, ranging from Saskatchewan to Quebec, south to Texas and Florida. It occupies many stream drainages throughout the eastern half of the US and appears to have been introduced into many parts of continent where it did not originally occur.

Habitat:

  • Common in lakes and streams. The only member of Percina in Minnesota to live in lakes.
  • Adaptable to a wide variety of habitats. Nonethless, siltation and other detrimental effects of human activities have caused numbers to decline sharply in some locations.

Food:

  • Microcrustaceans and aquatic insects.
  • Sometimes observed turning small stones with the snout, searching for food.

History:

Uses:

Reproduction:

  • Spawns in June
  • Females repeatedly enter an aggregation of males and burrow into the sand bottom with a mounted male.
  • Ten to 20 eggs are deposited at each encounter.

Comments:

Links:

Boreal border

Last updated on 17 October 1999