Charax (genus)

Charax stenopterus

Charax ( Gr., " pointed stake " because of the shape of the teeth ) is a genus of small tetras that are prevalent in northern and central South America, south happens to the Río de la Plata. Charax is the type genus of the family (family Characidae ) and of order ( Characiformes ).

Features

Charax species are from 3.5 to 12.8 inches long. Your body is high backs, the lateral line is complete. The head profile is initially almost horizontal to rise steeply behind the eye, so the results in a concave shape. In the premaxillary bone ( premaxilla ) the teeth sit in two, often irregular rows. The dentary ( lower jaw) has a row of teeth. The anal fin is long and unbeschuppt, the caudal peduncle is long, forked tail fin deeply. An adipose fin is present.

Charax species live mainly in the reed beds of their living waters and are characteristically oblique posture with the head down. They are not very happy swimming.

Charax is closely related to Roeboides. The species of this genus are but larger.

Species

  • Charax apurensis Lucena, 1987.
  • Charax caudimaculatus Lucena, 1987.
  • Charax condei ( Gery & Knöppel, 1976).
  • Glass headstander ( Charax gibbosus (Linnaeus, 1758) ).
  • Charax Hemigrammus ( Eigenmann, 1912).
  • Charax leticiae Lucena, 1987.
  • Charax macrolepis ( Kner, 1858).
  • Charax metae Eigenmann, 1922.
  • Charax michaeli Lucena, 1989.
  • Charax niger Lucena, 1989.
  • Charax notulatus Lucena, 1989.
  • Charax pauciradiatus ( Günther, 1864).
  • Charax rupununi Eigenmann, 1912.
  • Charax stenopterus ( Cope, 1894).
  • Charax tectifer ( Cope, 1870).
  • Charax unimaculatus Lucena, 1989.
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