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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. 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).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 45.0 cm TL hane/ej könsbestämd; (Ref. 1878); publicerad maxvikt: 1.6 kg (Ref. 246)
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiell
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01698 (0.01034 - 0.02790), b=2.85 (2.71 - 2.99), 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 (K=0.26). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (33 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
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