Hemiodus unimaculatus

photo by JJPhoto

Family:	Hemiodontidae (Halftooths)
Max. size:	32.9 cm SL (male/unsexed); 29.4 cm SL (female); max.weight: 529.5 g; max.weight: 551.1 g
Environment:	benthopelagic; freshwater; pH range: 5.5 - 7.5; dH range: 20
Distribution:	South America: Amazon, Tocantins, Capim, Suriname, Camopi, and Oyapock River basins.
Diagnosis:
Biology:	Occurs in fast-flowing rivers over rocky substrate. Abundant in the lower part of rivers. Feeds on detritus and periphyton. Mature at about 11 cm; breeds during the rainy season (Ref. 12225). Iteroparous synchronous spawner (Ref. 51777).
IUCN Red List Status:	Least Concern (LC); Date assessed: 20 August 2020 Ref. (130435)
Threat to humans:	harmless

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