>
Gymnotiformes (Knifefishes) >
Apteronotidae (Ghost knifefishes) > Apteronotinae
Etymology: Sternarchella: Greek, sternon = sternon, + Greek, diminutive, archos = anus (Ref. 45335).
More on author: Starks.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical
South America: Amazon and Orinoco River basins (living in the main channel of large rivers).
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
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 0; Rayons mous anaux: 197 - 215. Mouth subterminal; dorsal profile of body smoothly convex and almost straight ventrally; greatest body depth 11-13% in length to end of anal fin (LEA) and 13-15% of anal fin base; head length 13-17% in LEA and 15-21% of anal fin base; anal fin origin at level of gill opening; anal rays 197-215.
Body shape (shape guide): elongated.
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
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
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). |
Niveau trophique (Réf. 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (21 of 100). 🛈 |