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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 and refers to Stanley (Boyoma) Falls, DRC, which is the type locality. (Ref. 128868), visit book page.
More on author: Boulenger.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
; آب شيرين نزديك كف زي. Tropical
Africa: widespread in the Congo River basin in Democratic Republic of the Congo (Ref. 42493), Republic of Congo (Ref. 44840), Central African Republic (Ref. 45441) and Angola (Ref. 11970, 120641). Also in the lake Tanganyika basin (Ref. 36899), but apparently only in lower courses of tributary rivers, including the Malagarasi (Ref. 54847), and not in the lake itself (Ref. 36901). Reports from the Sanaga (Ref. 51193) and Benue (Ref. 42497) in Cameroon questionable and unconfirmed (Ref. 81274, 81635).
اندازه / وزن / سن
بلوغ: Lm ? range ? - ? cm
Max length : 21.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 42493)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 0; شعاع نرم باله پشتي (کل) : 28 - 33; خارهاي باله مخرجي: 0; شعاع نرم باله مخرجي: 38 - 42.
Body shape (shape guide): fusiform / normal.
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Gosse, J.-P., 1984. Mormyridae. p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3203)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00585 - 0.02838), b=2.88 (2.70 - 3.06), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
سطح تروفیک (مرجع
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
جهندگی (مرجع
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
آسیبپذیری ماهیگیری (Ref.
59153): Low vulnerability (11 of 100).
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