Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; brackish; pelagic. Tropical
South America: Amazon and Orinoco River basins and rivers of Guyana.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 19 - ? cm
Max length : 32.2 cm SL male/unsexed; (Ref. 111115); max. published weight: 487.66 g (Ref. 111115)
Apparently carnivorous, probably ichthyophagous.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Toledo-Piza, M., 2000. The neotropical fish subfamily Cynodontinae (Teleostei: Ostariophysi: Characiformes): a phylogenetic study and a revision of Cynodon and Rhaphiodon. Am. Mus. Novit. 3286:1-88. (Ref. 35437)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00617 (0.00466 - 0.00815), b=3.16 (3.08 - 3.24), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Trophic level (Ref. 69278) |
4.5 ±0.80 se; based on food items. |
Fishing Vulnerability (Ref. 59153) |
Low to moderate vulnerability (29 of 100). 🛈 |
Price category (Ref. 80766) |
Unknown.
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