This website uses cookies to enhance your browsing experience and ensure the functionality of our site. For more detailed information about the types of cookies we use and how we protect your privacy, please visit our Privacy Information page..
×
Cookie Settings
This website uses different types of cookies to enhance your experience. Please select your preferences below:
Performance
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously. For example, we use Google Analytics to generate web statistics, which helps us improve our website's performance and user experience. These cookies may track information such as the pages visited, time spent on the site, and any errors encountered.
> 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. [...] Major George Evans Bruce (1867–1949) was a colonial administrator in Waziristan (now divided between Afghanistan and Pakistan) who made a small collection of fishes in southern Waziristan and presented it to the BMNH. [...] (Ref. 128868), visit book page. More on author: Boulenger.
Environment: milieu / climate zone / 深さの範囲 / distribution range 生態学
Africa: Ogun and Oshun rivers in Nigeria (Ref. 3203) and Mono in Togo (Ref. 13331). Affinities: meristically close to Marcusenius senegalensis; difference only in the body form and caudal peduncle.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm Max length : 33.0 cm SL オス/雌雄の選別がない; (Ref. 31256)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 24 - 36; 肛門の骨: 0; 臀鰭: 29 - 31. Ratio base of dorsal/base of anal = 0.8-0.9; body length/SL ratio = 2.9-3.3 peduncle 1.9-2.0 x longer than deep. Body shape (shape guide): fusiform / normal; Cross section: compressed.
Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
Phylogenetic diversity index (参照 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00577 - 0.02877), b=2.88 (2.71 - 3.05), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
栄養段階 (参照 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回復力 (参照 120179): 手段, 1.4年~4.4年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (30 of 100). 🛈