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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. [...] Herbert Taylor Ussher (1836–1880) was, variously, the Governor of the Gold Coast (Ghana), the Governor of Tobago, and Consul-General in Borneo. [...] (Ref. 128868), visit book page.
More on author: Günther.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal; potamodroom (Ref. 51243). Tropical
Africa: Liberia to Ghana (Gold Coast). Also known from the Ouémé River in Benin.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 13.0  range ? - ? cm
Max length : 35.0 cm SL mannelijk / geslacht onbekend; (Ref. 123661); max. gepubliceerd gewicht: 469.00 g (Ref. 123661)
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 27 - 34; Anale stekels: 0; Anale zachte stralen: 23 - 29. Dorsal fin origin on same level as anal fin.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Affinities: M. meronai. Relatively close to M. furcidens which is found in the same geographic setting in Côte d'Ivoire. A fractional spawner (Ref. 10605; 10606).
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
Tools
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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=0.01047 (0.00681 - 0.01610), b=2.82 (2.70 - 2.94), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
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 (33 of 100).
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