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Osteoglossiformes (Bony tongues) >
Mormyridae (Elephantfishes)
Etymology: Marcusenius: Becasue of J. Marcusen, author of "Zur Phauna des Schwarzen Meeres", 1867; ichthyologist.
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical; 10°N - 6°N
Africa: lower Niger, the Bénoué and the Voltas. Also known from the upper Niger (Ref. 3203). Affinities: close to Marcusenius cyprinoides.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL mâle / non sexé; (Ref. 3799); poids max. publié: 500.00 g (Ref. 3799)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 34 - 39; Épines anales: 0; Rayons mous anaux: 32 - 36. Dorsal fin origin at same level as anal fin origin; body depth 3.0-4.7x of SL; peduncle height 3.2-5.0x of its length.
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
Outils
Articles particuliers
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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=0.01380 (0.00615 - 0.03096), b=2.86 (2.69 - 3.03), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.1 ±0.4 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): Low to moderate vulnerability (30 of 100).
Nutrients (Ref.
124155): Calcium = 159 [79, 370] mg/100g; Iron = 1.56 [0.73, 3.22] mg/100g; Protein = 17.8 [15.4, 20.1] %; Omega3 = 0.534 [0.214, 1.362] g/100g; Selenium = 76.9 [28.9, 197.2] μg/100g; VitaminA = 31.6 [11.6, 85.4] μg/100g; Zinc = 1.61 [1.06, 3.14] mg/100g (wet weight);