| Family: |
Acestrorhynchidae (Smallscale pike characins), subfamily: Acestrorhynchinae |
| Max. size: |
37 cm TL (male/unsexed); max.weight: 230.0 g |
| Environment: |
benthopelagic; freshwater; pH range: 5.5 - 6.5 |
| Distribution: |
South America: Amazon and Orinoco River basins and rivers of Guyana, Suriname and French Guiana. |
| Diagnosis: |
Dorsal spines (total): 2-2; Dorsal soft rays (total): 8-10; Anal spines: 3-5; Anal soft rays: 22-30. Possesses a minute spot behind the opercle; lateral line scales 91-131; small eye 17.9-34.1% head length; snout length 32.5-50.0% head length (Ref. 52916). |
| Biology: |
Common in black and clear water streams and rivers, as well as lagoons and other off-channel habitats associated with whitewater rivers (Ref. 52916). Prefers slow currents and a silty or sandy bottom. Like other species of the genus, it is a formidable predator (Ref. 12225). Strict piscivore; however, it consumes insects during the dry periods of the year (Ref. 27188). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 13 February 2020 Ref. (130435)
|
| Threat to humans: |
harmless |
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