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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. [...] This is a toponym and refers to Stanley (Boyoma) Falls, DRC, which is the type locality. (Ref. 128868), visit book page.
More on author: Boulenger.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
; acqua dolce demersale. Tropical
Africa: widespread in the Congo River basin in Democratic Republic of the Congo (Ref. 42493), Republic of Congo (Ref. 44840), Central African Republic (Ref. 45441) and Angola (Ref. 11970, 120641). Also in the lake Tanganyika basin (Ref. 36899), but apparently only in lower courses of tributary rivers, including the Malagarasi (Ref. 54847), and not in the lake itself (Ref. 36901). Reports from the Sanaga (Ref. 51193) and Benue (Ref. 42497) in Cameroon questionable and unconfirmed (Ref. 81274, 81635).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 21.0 cm TL maschio/sesso non determinato; (Ref. 42493)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 28 - 33; Spine anali: 0; Raggi anali molli: 38 - 42.
Body shape (shape guide): fusiform / normal.
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
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 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=0.01288 (0.00577 - 0.02877), b=2.87 (2.69 - 3.05), in cm total length, based on LWR estimates for this 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) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (21 of 100). 🛈 |