| Family: |
Acestrorhynchidae (Smallscale pike characins), subfamily: Acestrorhynchinae |
| Max. size: |
30 cm TL (male/unsexed); max.weight: 255.0 g |
| Environment: |
benthopelagic; freshwater |
| 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): 9-9; Anal spines: 3-5; Anal soft rays: 21-27. Possesses a humeral spot shaped as an oval or inverted teardrop, occupying not less than a quarter of the height of the body; caudal peduncle with a black spot covering between one third and almost the totality of its depth (Ref. 52916). |
| Biology: |
Attains a length of around 20 cm. As indicated by its dentition and body form, it is a formidable predator which feeds exclusively on fish. A ubiquitous species, but frequently found throughout the length of waters with moderate flow. Reproduction begins with the onset of the rainy season (Ref. 12225). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 07 February 2020 Ref. (130435)
|
| Threat to humans: |
harmless |
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