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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. [...] Thomas John Moore (1824–1892) was a British museum curator. [...] (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
; acqua dolce demersale. Tropical
Africa: Ogowe and Kouilou-Niari Rivers in Gabon and Republic of Congo (Ref. 27691) and the Chiloango (Ref. 42034, 120641). Also widespread in the Congo River basin, from the lower Congo basin (Ref. 1878) up to the Wagenia Falls (Ref. 106245), in Cameroon (Ref. 1878, 46233), Republic of Congo (Ref. 1878, 53209), Democratic Republic of the Congo (Ref. 1878, 11970, 41585, 41580, 45441, 106245, 106290) and Angola (Ref. 11970, 120641).
Size / Peso / Age
Maturità: Lm ?  range ? - ? cm
Max length : 21.4 cm SL maschio/sesso non determinato; (Ref. 27691)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 21 - 23; Spine anali: 0; Raggi anali molli: 27 - 29.
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Boden, G., G.G. Teugels and C.D. Hopkins, 1997. A systematic revision of the large-scaled Marcusenius with description of a new species from Cameroon (Teleostei: Osteoglossomorpha: Mormyridae). J. Nat. Hist. 31:1645-1682. (Ref. 27691)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00733 - 0.02265), b=2.89 (2.74 - 3.04), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).
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