Acestrorhynchus falcirostris (Cuvier, 1819)
Acestrorhynchus falcirostris
photo by IBAMA

 Family:  Acestrorhynchidae (Smallscale pike characins), subfamily: Acestrorhynchinae
 Max. size:  40 cm TL (male/unsexed)
 Environment:  benthopelagic; pH range: 5.19999980926514 - 7.19999980926514; dH range: 5 - 18
 Distribution:  South America: Amazon and Orinoco River basins and rivers of Guyana.
 Diagnosis:  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).
 Biology:  Found in clear and black waters (Ref. 52916). Voracious predator.
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Froese, Rainer - 18.05.95
 Modified by: Reyes, Rodolfo B. - 18.07.13
 Checked by: Menezes, Naercio A. - 10.08.01

Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.


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