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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.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical
South America: Amazon and Orinoco basins.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 40.0 cm TL mâle / non sexé; (Ref. 36886)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
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.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00146 - 0.00863), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Vulnérabilité de la pêche (Ref.
59153): Low to moderate vulnerability (30 of 100).
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