Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal; potamodrome (Ref. 51243). Tropical
Africa: Gambia, Senegal, Niger, Volta and Chad basins. Sahelo-Soudanian basins and the coastal basins of the rivers Cavally, Bandama, Sassandra, Comoé, Mono, Ouémé, Ogun and Culufi; Congo basin. Two subspecies exist: Mormyrus rume rume: West Africa and Chad System; Mormyrus rume proboscirostris: middle and upper Congo River.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm ?, range 33 - ? cm
Max length : 100.0 cm SL mâle / non sexé; (Ref. 31256); poids max. publié: 5.3 kg (Ref. 2915); âge max. reporté: 6 années (Ref. 2744)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 72 - 95; Épines anales: 0; Rayons mous anaux: 16 - 21. Anal fin base 4.6-6.5x that of dorsal fin; 20-26 scales on caudal peduncle; body height 3.5-6.1x SL; height of caudal peduncle 1.3-3.0x of its length.
Affinities: look-alike of M. subundulatus and M. tapirus. Feeds on insects and larvae (Ref.13851). Generates electric organ discharge (EOD) of long duration that seems to correlate with territorial behavior of the species (Ref. 10460; 10601).
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)
CITES (Ref. 128078)
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: 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=0.01047 (0.00806 - 0.01360), b=2.82 (2.77 - 2.87), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Ref.
69278): 2.5 ±0.86 se; based on food items.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming tm=5-10; Fec < 1,000).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (73 of 100).