Guianacara

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Guianacara
Guianacara sphenozona

Guianacara sphenozona

Systematics
Ovalentaria
Order : Cichliformes
Family : Cichlids (Cichlidae)
Subfamily : Cichlinae
Tribe : Geophagini
Genre : Guianacara
Scientific name
Guianacara
Kullander & Nijssen , 1989

Guianacara ( saddle spotted cichlid ) is a genus of cichlid thatis nativeto the rivers of northeastern South America .

features

Guianacara species are small to medium-sized cichlids, reach a maximum length of 20 centimeters, but usually stay smaller. The body is very high back and strongly flattened on the sides, the head high and short, the forehead line steep and rounded. The small mouth is terminal and is relatively far below. Females stay smaller and are slimmer. The eye is camouflaged by a dark eye stripe. In the middle of the sides of the body there is a species-specific, vertical black band that can or is reduced to a dark spot in adults and in the subgenus Oelemaria . Guianacara species have 26 to 27 vertebrae (13 + 14 or 13 + 13). The species of the subgenus Guianacara have two supraneuralia (neural processes), Guianacara oelemariensis (subgenus Oelemaria ) only one.

distribution

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

Reproduction

Guianacara species are substrate spawners , which in most cases form a mother family , ie the female takes care of the clutch, which can contain up to 500 eggs, while the male takes care of territorial defense .

Naming

The generic name Guianacara is composed of the two terms Guayana for the main distribution area and the expression "Acará" for cichlids, which is common in the Tupí-Guaraní language.

species

The FishBase database currently lists seven species:

literature

Web links

Commons : Guianacara  - collection of images, videos and audio files