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Gymnotiformes (Knifefishes) >
Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Sternarchorhynchus: Greek, sternon = sternon, + Greek, archos = anus + Greek, rhyngchos = snout (Ref. 45335); axelrodi: Named for Dr Herbert Axelrod..
More on authors: de, Santana & Vari.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch. Tropical
South America: Brazil, Amazon Basin, Rio Tocantins (upper and lower portions of that river system).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL mannelijk / geslacht onbekend; (Ref. 84053)
Korte beschrijving
Morfologie | Morfometrie
This species is distinguished from its congeners by the following set of characters: a short gape that terminates posteriorly at, or slightly short of, the vertical through the anterior nares; no scales along the mid-dorsal region of the body as far posteriorly as the origin of the electroreceptive filament; anal-fin rays 200-217 (Ref. 84053).
Inhabits clear water system with the bottom formed by small stones and rocks. Feeds on insects and other aquatic invertebrates (Ref. 84053).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
de Santana, C. D. and R.P. Vari, 2010. Electric fishes of the genus Sternarchorhynchus (Teleostei, Ostariophysi, Gymnotiformes); phylogenetic and revisionary studies. Zool. J. Linn. Soc. 159:223-371. (Ref. 84053)
Status op de Rode Lijst van het IUCN (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Gevaar voor de mens
Harmless
Gebruik door de mens
Meer informatie
Lokale namenSynoniemenMetabolismePredatorenEcotoxicologieVoortplantingMaturiteitPaaienFecunditeitEierenOntwikkeling van de eieren
Leeftijd/GrootteGroeiLengte-gewichtLengte-lengteLengtefrequentiesMorfometrieMorfologieLarvenLarvale populatiedynamiekRekruteringAbundantie
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaElectrophoresesErfelijkheidZiektesVerwerkingMassaconversie
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00145 - 0.00871), b=3.06 (2.85 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).