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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. [...] Herbert Taylor Ussher (1836–1880) was, variously, the Governor of the Gold Coast (Ghana), the Governor of Tobago, and Consul-General in Borneo. [...] (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
; آب شيرين نزديك كف زي; رود رو (Ref. 51243). Tropical
Africa: Liberia to Ghana (Gold Coast). Also known from the Ouémé River in Benin.
Length at first maturity / Size / Weight / سن
Maturity: Lm 13.0  range ? - ? cm
Max length : 35.0 cm SL جنس نر / بدون خواص جنسي; (Ref. 123661); بيشينه وزن گزارش شده: 469.00 g (Ref. 123661)
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 27 - 34; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 23 - 29. Dorsal fin origin on same level as anal fin.
Affinities: M. meronai. Relatively close to M. furcidens which is found in the same geographic setting in Côte d'Ivoire. A fractional spawner (Ref. 10605; 10606).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-2)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
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=0.01047 (0.00677 - 0.01619), b=2.82 (2.70 - 2.94), 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
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).