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Gymnotiformes (Knifefishes) >
Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Sternarchella: Greek, sternon = sternon, + Greek, diminutive, archos = anus (Ref. 45335).
Eponymy: Arthur Carl Victor Schott (1814–1875) was born in Stuttgart, Germany, where he was apprenticed at the Royal Gardens. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Amazon and Orinoco basins.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 40.0 cm TL hane/ej könsbestämd; (Ref. 36886)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
This species is distinguished from its congeners by the following characters: presence of a large eye, eye diameter 7-10% HL (vs. 6-9% HL) (shared with S. patriciae); with an ossified third basibranchial; 4-5 curved displaced hemal spines; an elongate swim bladder that extends beyond the posterior limit of the body cavity (Ref. 126780).
Cross section: compressed.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Evans, K.M., W.G.R. Crampton and J.S. Albert, 2017. Taxonomic revision of the deep channel electric fish genus Sternarchella (Teleostei: Gymnotiformes: Apteronotidae), with descriptions of two new species. Neotrop. Ichthyol. 15(2):1-30. (Ref. 126780)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00347 (0.00141 - 0.00851), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (21 of 100). 🛈 |