Guianacara

Guianacara sphenozona

Guianacara is a genus of cichlid, native to the rivers of the north-eastern South America.

Features

Guianacara species are small to medium sized cichlids are more than 20 inches long, but usually remain smaller. The body is very high backs and sides strongly flattened, the head high and short, steep forehead line and rounded. The small mouth is terminal and is relatively far below. Females are smaller and slimmer. The eye is camouflaged by a dark eye stripe. In the middle of the sides of the body is a species-specific, distinct, vertical black band, which may be reduced in adult animals and in the subgenus Oelemaria to a dark spot or is. Guianacara species have 26 to 27 vertebrae ( 13 14 13 o 13 ). The species of the subgenus Guianacara have two Supraneuralia ( Neuralfortsätze ) Guianacara oelemariensis ( subgenus Oelemaria ) only.

Dissemination

Guianacara species are from Río Caroní in Venezuela over the three Guiana (French Guiana, Guyana and Suriname) to the Rio Caciporé in northeastern Brazil north of the Amazon estuary, as well as in Rio Branco, Rio and Rio Curuá Trombetas widespread in the Amazon Basin.

Reproduction

Guianacara species are substrate spawners that form a mother's family in most cases, that the female cares for the eggs, which may contain up to 500 eggs, while the male takes care of the territorial defense.

Naming

The genus name Guianacara is composed of the two terms Guiana for the main area of ​​distribution and the widely spoken in the Tupi- Guaraní language term " Acará " for cichlids.

Species

The FishBase database currently lists seven species:

  • Genus Guianacara Subgenus Guianacara Guianacara cuyunii López- Fernández, Taphorn & Kullander, 2006
  • Guianacara dacrya Arbour & López- Fernández, 2011
  • Guianacara geayi ( Pellegrin, 1902)
  • Guianacara owroewefi Kullander & Nijssen, 1989 ( type species )
  • Guianacara Kullander & Nijssen sphenozona, 1989
  • Guianacara stergiosi López- Fernández, Taphorn & Kullander, 2006
  • Guianacara Kullander & Nijssen oelemariensis, 1989
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