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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. [...] Joachim John (João José) Monteiro (1833–1878) was a Portuguese mining engineer and entomologist who had English ancestors – hence ‘John’ and alternatives to it. [...] (Ref. 128868), visit book page.
More on author: Günther.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce demersale. Tropical
Africa: widespread in the Congo River basin, in Cameroon (Ref. 46901), Republic of Congo (Ref. 44840, 46853), Democratic Republic of the Congo (Ref. 2910, 41580, 41591, 41594, 42510, 45441, 106290) and Zambia (Ref. 246, 42135).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 45.0 cm TL maschio/sesso non determinato; (Ref. 1878); peso massimo pubblicato: 1.6 kg (Ref. 246)
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Gosse, J.-P., 1984. Mormyridae. p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3203)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01698 (0.01048 - 0.02752), b=2.85 (2.71 - 2.99), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (K=0.26).
Vulnerabilità della pesca (Ref.
59153): Low to moderate vulnerability (35 of 100).
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