| Acestrorhynchidae (Smallscale pike characins), subfamily: Acestrorhynchinae |
| 45 cm SL (male/unsexed) |
|
benthopelagic; freshwater; pH range: 5.19999980926514 - 7.19999980926514; dH range: 5 - 18 |
| South America: Amazon and Orinoco River basins and rivers of Guyana. |
|
Presence of black fringe on the posterior edge of the operculum, especially on the dorsal half, that creates the appearance of a dark "collar"; scales on lateral line 140-175; and presence of single branched lateral line canals (Ref. 52916). |
| Found in clear and black waters (Ref. 52916). Voracious predator. |
|
Least Concern (LC); Date assessed: 13 February 2020 Ref. (130435)
|
| harmless |
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