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Osteoglossiformes (Bony tongues) >
Mormyridae (Elephantfishes)
Etymology: Marcusenius: Becasue of J. Marcusen, author of "Zur Phauna des Schwarzen Meeres", 1867; ichthyologist.
Eponymy: Dr Johann Andreas Marcusen (1817–1894) was a Latvian of German descent who was a physician, ichthyologist and zoologist. [...] Captain George Howard Fanshawe Abadie (1873–1904) was an officer in the 16th Lancers who was working as a political officer and administrator in Northern Nigeria (1897– 1904), where he died suddenly from a ‘malignant fever’. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce demersale. 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 / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL maschio/sesso non determinato; (Ref. 3799); peso massimo pubblicato: 500.00 g (Ref. 3799)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 34 - 39; Spine anali: 0; Raggi anali molli: 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
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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: Version 2024-2)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti 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=0.01288 (0.00577 - 0.02877), b=2.88 (2.71 - 3.05), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (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);