Teleostei (teleosts) >
Siluriformes (Catfishes) >
Auchenipteridae (Driftwood catfishes) > Auchenipterinae
Etymology: Ageneiosus: Greek, a = without + greek, geneias, -ados = bear, chin (Ref. 45335).
More on author: Valenciennes.
Issue
The species Ageneiosus valenciennesi Bleeker, 1864 is considered valid in Eschmeyer (CofF ver. Jul. 2011: Ref. 87661). It is treated here a synonym of Ageneiosus militaris Valenciennes, 1835 following Ferraris (2007: Ref. 58032).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic. Subtropical
South America: La Plata River basin.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm SL male/unsexed; (Ref. 37098); max. published weight: 135.00 g (Ref. 115169); max. published weight: 135.00 g
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ferraris, C.J. Jr., 2003. Auchenipteridae (Driftwood catfishes). p. 470-482. 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. 37098)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00679 - 0.01690), b=2.91 (2.78 - 3.04), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=1-2, Fec<10,000; K=0.29).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
Nutrients (Ref.
124155): Calcium = 101 [50, 291] mg/100g; Iron = 1.65 [0.86, 3.09] mg/100g; Protein = 17.9 [15.7, 20.1] %; Omega3 = 0.396 [0.158, 1.005] g/100g; Selenium = 13.8 [4.9, 35.6] μg/100g; VitaminA = 33.2 [10.6, 108.8] μg/100g; Zinc = 1.32 [0.85, 2.07] mg/100g (wet weight);