Acarichthys heckelii (Müller & Troschel, 1849)
Threadfin acara
Acarichthys heckelii
photo by Nilsson, K.

Family:  Cichlidae (Cichlids), subfamily: Geophaginae
Max. size:  19.5 cm SL (male/unsexed); max.weight: 276.0 g
Environment:  benthopelagic; freshwater; dH range: 18, potamodromous
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.
Diagnosis:   
Biology:  Max. length 20 cm TL (Ref. 2060).
IUCN Red List Status: Least Concern (LC); Date assessed: 28 October 2020 Ref. (130435)
Threat to humans:  harmless


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