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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
Ekologi
; sötvatten bottenlevande. 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.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL hane/ej könsbestämd; (Ref. 3799); publicerad maxvikt: 500.00 g (Ref. 3799)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 34 - 39; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 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 | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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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).
Trofisk nivå (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (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);