Identification Key of  Viiritonkija - Geophagus altifrons

Geophagus altifrons – Teles Pires

The name of the species is derived from the Latin altus = high + forehead = fron, meaning high forehead. It is a species widely distributed in several rivers of the Amazon, with known populations in the Negro, Tapajós, Trombetas, Tocantins, Araguaia, Uatumã, Guamá, Xingu and Curua Rivers, with some differences in color between them. It is one of the largest of its kind, and can reach 30 cm.

They can be distinguished from their counterparts by the lack of vertical bars on the body, even when stressed and by the lack of lateral stain or if present only as two or three points, this being unique to the species.

Geophagus altifrons  Heckel, 1840

According to FISHBASE:

Kingdom = Animalia ; Phylum = Chordata ; Class = Actinopterygii ; Perciformes ; Family = Cichlidae ; Genus =
Geophagus.

Distribution:  South America: Amazon River basin in Brazil.

Size - Maximum Length: 26.5 cm.

Synonyms:  Geophagus altifrons.

Common name of Geophagus altifrons: Cará, Acará Papa-Terra, Chaperema, Viiritonkija.

Reference:  Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.

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