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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; it refers to Lake Kainji, an artifical lake in lower Niger River, Nigeria, where the holotype was collected. (Ref. 128868), visit book page.
Issue
Exact species spelling should be kainjii as given by Lewis, 1974. Ita 1978 misspelled the name as kainji.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce dã©mersal. Tropical
Africa: only known from Lake Kainji, Nigeria (Ref. 3034, 13861).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL mâle / non sexé; (Ref. 3034)
Very rare (Ref. 3034). Caught along the shore of the lake (Ref. 13861).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Lewis, D.S.C., 1974. An illustrated key to the fishes of Lake Kainji. Foreign and Commonwealth Office Overseas Development Administration, London. 105 p. (Ref. 3034)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intã©rãªt
Outils
Articles particuliers
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Sources 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=0.00562 (0.00244 - 0.01296), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).