>
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. [...] (Ref. 128868), visit book page.
More on author: Pellegrin.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
; süßwasser demersal; potamodrom (Ref. 51243). Tropical; 8°N - 4°N
Africa: Como, Bandama and Sassandra rivers in Côte d'Ivoire. Affinities: Marcusenius ussheri, Marcusenius mento, and Marcusenius thomasi. Recorded from Tano River, Ghana (Ref. 272).
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 32.0 cm SL Männchen/unbestimmt; (Ref. 83624)
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 29 - 34; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 30 - 36. Dorsal fin origin same level as anal fin. Body depth 3.2-3.5 x SL. Thick caudal peduncle, 2.6-3.8 x its length.
Females can produce as many as 9200 eggs (Ref. 10606).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Bigorne, R., 1990. Mormyridae. p. 122-184. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux saumâtres d'Afrique de l'Ouest. tome 1. Faune Trop. 28. Musée Royal de l'Afrique Centrale, Tervuren, and ORSTOM, Paris. (Ref. 2915)
IUCN Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
Download XML
Internet Quellen
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=0.01148 (0.00705 - 0.01869), b=2.89 (2.75 - 3.03), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).