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Characiformes (Characins) >
Acestrorhynchidae (Smallscale pike characins) > Acestrorhynchinae
Etymology: Acestrorhynchus: Greek, agkistron = hook + Greek, rhyngchos = snout (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; pH range: 5.5 - 6.5. Tropical; 18°C - 28°C (Ref. 13614)
South America: Amazon and Orinoco River basins and rivers of Guyana, Suriname and French Guiana.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 37.0 cm TL male/unsexed; (Ref. 111697); max. published weight: 230.00 g (Ref. 111518)
Short description
Morphology | Morphometrics
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).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Menezes, N.A., 2003. Family Acestrorhynchidae (Acestrorhynchids). p. 231-233. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38248)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Aquarium: commercial
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsElectrophoresesHeritabilityDiseasesProcessingNutrientsMass conversion
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