Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal; pH range: 5.0 - 7.0; dH range: ? - 5. Tropical; 22°C - 24°C (Ref. 12468)
Africa: Volta, Niger, Tchad, Shari and Congo basins (Ref. 3203).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 43.0 cm SL mâle / non sexé; (Ref. 2915); poids max. publié: 500.00 g (Ref. 3799)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 28 - 31; Épines anales: 0; Rayons mous anaux: 31 - 35. Young with dark band across body between anterior end of dorsal and anal which widens in the center and surrounded by a clear zone on each side in the form of a parenthesis; first dorsal and anal ray marked with black; this coloration disappears in individuals > 20 cm; Dorsal origin behind origin of anal fin; body depth 3.9-4.7 x SL; head length 3-5 x SL; head 2.3-3.3x longer than large.
Its electric organ discharge (EOD) is steroid-sensitive (Ref. 10763; 10764).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Bigorne, R., 1990. Mormyridae. p. 122-184. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux saumâtres d'Afrique de l'Ouest. tome 1. Faune Trop. 28. Musée Royal de l'Afrique Centrale, Tervuren, and ORSTOM, Paris. (Ref. 2915)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; Aquarium: Commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00612 - 0.02839), b=2.85 (2.67 - 3.03), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).