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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. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal; potamodroom (Ref. 51243). Tropical
Africa: Gambia, Senegal, Niger, Chad, Sassandra and Volta basins. Known from all great Sudanian basins and in the basins of the north-Guinean zones (Ref. 81274). Absent in zones of coastal forests (Ref. 2915).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 32.1 cm SL mannelijk / geslacht onbekend; (Ref. 2915); max. gepubliceerd gewicht: 200.00 g (Ref. 3799)
Dorsale stekels (totaal) : 0; Anale stekels: 0; Anale zachte stralen: 28 - 38. Dorsal origin behind anal fin origin; ratio between base of dorsal and base of anal = 0.7-0.9 body depth 3.1-4.6 x SL; depth of peduncle 2.0-3.6 x of its length.
Body shape (shape guide): elongated; Cross section: compressed.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00471 - 0.00885), b=3.05 (2.96 - 3.14), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.4 se; based on diet studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij (Ref.
59153): Low to moderate vulnerability (29 of 100).
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