Teleostei (teleosts) > Characiformes
(Characins) > Triportheidae
(Hatchet characins) > Triportheinae
Etymology: Triportheus: Greek, tres tria = three + Greek, portheo = to sack (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic; pH range: 6.0 - 7.5; dH range: ? - 18. Tropical; 24°C - 27°C (Ref. 2060)
South America: Amazon River basin and coastal drainages of the Guianas.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 26.8 cm TL male/unsexed; (Ref. 111518); max. published weight: 235.00 g (Ref. 111518)
Occurs in rivers and small creeks with little current. An omnivore which feeds on fruits, seeds and insects which float on the surface of the water. Reproduction takes place during the rainy season (Ref. 12225).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. …, 2003. Genera Incertae Sedis in Characidae. p. 106-168. 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. 38376)
IUCN Red List Status (Ref. 126983)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00649 - 0.04243), b=3.03 (2.80 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.4 ±0.21 se; based on food items.
Fishing Vulnerability (Ref. 59153
): Low vulnerability (17 of 100).