Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Characiformes
(Characins) > Hemiodontidae
Etymology: Argonectes: Greek, argos = bright and also Greek, argos = passive, sluggish + Greek, nekton = to swim (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: Tapajós, Xingu, Tocantins, and Capim River basins in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 35.5 cm TL male/unsexed; (Ref. 111518); max. published weight: 483.00 g (Ref. 111518)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing (Ref. 205).
Langeani, F., 2003. Hemiodontidae (Hemiodontids). p. 96-100. 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. 38289)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00360 - 0.01393), b=3.09 (2.90 - 3.28), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 2.8 ±0.4 se; Based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (19 of 100) .