Teleostei (teleosts) >
Characiformes (Characins) >
Triportheidae (Hatchet characins) > Agoniatinae
Etymology: Agoniates: Greek, a = without + Greek, gonias, -as = angle, corner (Ref. 45335).
More on authors: Müller & Troschel.
Taxonomic Remarks
For a recent redescription of the species and comparison with A. anchovia, see Zarske & Géry (1997).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Essequibo, Branco, Araguari, Capim, Tocantins, Xingu, Tapajós, Trombetas, Negro, Casiquiare, and Tefé River basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 26.8 cm TL male/unsexed; (Ref. 111518); max. published weight: 115.00 g (Ref. 111518)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lima, F.C.T. and A. Zanata, 2003. Characidae - Agoniatinae (Characins). p. 170. 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. 38377)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00490 (0.00211 - 0.01139), b=3.05 (2.84 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
2.9 ±0.3 se; based on size and trophs of closest relatives |
Fishing Vulnerability (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |