Threadfin acara

Acarichthys heckelii

A cichlid of Amazon mainstem and its tributaries

Threadfin acara is known around South America as a freshwater fish; It occurs in freshwater habitats, and records give a maximum length of 19.5 cm.

Class: Teleosts
Order: Cichlids and Allies
Family: Cichlidae
Genus: Acarichthys
Maximum length: 19.5 cm
Water: Freshwater
Distribution: South America: along mainstream Amazon River in Peru, Colombia, and Brazil, including lower parts of the Putumayo, Trombetas, Negro, and Xingu rivers; lower Tocantins and Capim rivers; Branco River (Amazonas basin) in Brazil and Guyana, and the Essequibo River in Guyana.

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