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> Gymnotiformes (Knifefishes) > Sternopygidae (Glass knifefishes)
Etymology: Sternopygus: Greek, sternon = sternon, + Greek, pyge = tail (Ref. 45335).
More on author: Steindachner.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water benthopelagisch; pH range: 3.0 - 6.0. Tropical

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South America: main stem of Amazon River, lower Negro River basin in Brazil.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 56.0 cm TL mannelijk / geslacht onbekend; (Ref. 39524); max. gepubliceerd gewicht: 250.00 g (Ref. 52797)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 0; Anale zachte stralen: 195 - 312. Body and head of living specimens uniformly black or very dark purple-brown with no humeral spot or patch; juveniles undergo striking pigmentation change from uniformly black by day to very pale with two distinct vertical saddle-like markings at night; dorsal margin of head well rounded (very convex) in adults (Ref. 52797).

Inhabits blackwater rivers and their seasonally inundated floodplain lakes and forests (Ref. 52797). Feeds on invertebrates (Ref. 52797).

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Hoofdreferentie Upload your references | Referenties | Coördinator : Albert, James S. | Medewerkers

Crampton, W.G.R., K.G. Hulen and J.S. Albert, 2004. Redescription of Sternopygus obtusirostris (Gymnotiformes: Sternopygidae) from the Amazon basin, with description of osteology, ecology and electric organ discharges. Ichthyol. Explor. Freshwat. 15(2):121-134. (Ref. 52797)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 03 December 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.2 ±0.42 se; based on food items.

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (42 of 100).

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Sternopygus obtusirostris Steindachner, 1881