Heros efasciatus is a species of tropical freshwater cichlid native to the Amazon basin in South America. It is commonly found in the aquarium trade, often in its gold colored variation rather than the wild-type olive green one.
Over the past few years, popularity of Heros efasciatus within the aquarium trade has increased. Consequently, this species could be susceptible to over-exploitation, primarily because of their natural low densities and low fecundity. 
- Froese, Rainer and Pauly, Daniel, eds. (2014). "Heros efasciatus" in FishBase. 10 2014 version.
- "Red Spot Severum - Heros Efasciatus". Tropical Fish Site. Retrieved 11 November 2018.
- J. Favero; P. Pompeu; A. Prado-Valladares (2010). "Reproductive biology of Heros efasciatus Heckel,1840 (Pisces, Cichlidae) in the Amanã Sustainable Reserve (Amazonas, Brazil), aiming at sustainable management of the species". Acta Amazonia. 40 (2): 373–380.
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