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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: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande; flodvandrande (Ref. 51243). Tropical
Africa: Liberia to Ghana (Gold Coast). Also known from the Ouémé River in Benin.
Length at first maturity / Size / Vikt / Age
Maturity: Lm 13.0  range ? - ? cm
Max length : 35.0 cm SL hane/ej könsbestämd; (Ref. 123661); publicerad maxvikt: 469.00 g (Ref. 123661)
Short description
Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 27-34; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 23 - 29. Dorsal fin origin on same level as anal fin.
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).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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
Ytterligare information
Age/SizeTillväxtLength-weightLength-lengthLength-frequenciesMorfometriMorfologiLarverLarvdynamikRekryteringAbundansBRUVS
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
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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=0.01072 (0.00695 - 0.01651), b=2.81 (2.68 - 2.94), in cm total length, based on LWR estimates for this species & 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 (33 of 100).