Hoplocharax goethei is a species of characin endemic to Brazil where it is found in the Amazon Basin. It is the only member of its genus. It is commonly found in freshwater environments at a benthopelagic depth. This species is native to a tropical environment. This fish can reach a length of about 3 cm (1.2 in) as an unsexed male. References Notes Characidae Monotypic fish genera Fish of South America Fish of Brazil Endemic fauna of Brazil Fish described in 1966