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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.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal; potamódromo (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).
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 32.1 cm SL macho/indeterminado; (Ref. 2915); peso máx. Publicado: 200.00 g (Ref. 3799)
Espinhos dorsais (total) : 0; Espinhos anais: 0; Raios anais moles: 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.
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2024-1)
Ameaça para o homem
Harmless
Utilização humana
Pescarias: pouco comercial
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da 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=0.00646 (0.00474 - 0.00879), b=3.05 (2.96 - 3.14), in cm total length, based on LWR estimates for this species (Ref.
93245).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on diet studies.
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).