Dicrossus

Fork -tail checkerboard cichlid ( Dicrossus filamentosus )

Dicrossus ( Gr. " di " = two, " krossos " = fringe, tip ) is a composed of five types described species of South American cichlids. The genus occurs in northern South America before in the catchment area of ​​the upper Rio Orinoco, the Rio Tapajos, Rio Maués, the Rio Negro in the Amazon and the Rio ATABAPO in Colombia. The genus was described in 1875 by the Austrian zoologist Franz Steindachner, 1905 but synonymized by the British ichthyologist Charles Tate Regan Crenicara. In 1990, the Swedish ichthyologist Sven O. Kullander this again reversed. Since then, the high-backed Crenicariden be in genus Crenicara, the slim in Dicrossus.

Features

Dicrossus species are 4-7 inches long and have a long and lean and laterally flattened body, a rounded snout and a slightly lower constant mouth. It is characterized by its checkerboard-like spot pattern on the sides of the body, which is why they were given the name Schachbrettcichliden in German.

Species

So far, five species have been described:

  • Dicrossus filamentosus ( For Chocoholics, 1958)
  • Dicrossus foirni Romans, Hahn & Vergara, 2010
  • Dicrossus gladicauda Schindler & Staeck, 2008
  • Dicrossus maculatus Steindachner, 1875
  • Dicrossus warzeli Romans, Hahn & Vergara, 2010

Outer systematics

Dicrossus is closely related to the genera Biotodoma and Crenicara and forms with the two subtribes Crenicaratina. Both species have their main distribution in the rivers of the Andes east side.

Cichlinae Tapajós Digital Object Identifier FishBase
236222
de