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Osteoglossiformes (Bony tongues) >
Mormyridae (Elephantfishes)
Etymology: Boulengeromyrus: From George Albert Boulenger (1858-1937); he revised the works of Günther about Percoidei + Greek, myros = the male of a morey eel (Ref. 45335).
Eponymy: George Albert Boulenger (1858–1937) was a Belgian-British zoologist at the British Museum, London. [...] Louis-Philippe Knoepffler (1926–1984) was a French biologist, primarily a herpetologist and ichthyologist. [...] (Ref. 128868), visit book page.
More on authors: Taverne & Géry.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Tropical
Africa: restricted to the Ivindo River basin and the Ntem River basin (Ref. 81635).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 41.3 cm SL hane/ej könsbestämd; (Ref. 81635)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 23 - 24; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 28 - 31. Body deep and laterally compressed (Ref. 81635). Dorsal profile of the back straight, upper profile of head straight, pointing downward; ventral side of the head concave; snout elongate, its length 29 to 35 % of head length (Ref. 81635). Submental swelling reduced (Ref. 81635).
Body shape (shape guide): fusiform / normal.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Hopkins, C.D., S. Lavoué and J.P. Sullivan, 2007. Mormyridae. p. 219-334. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81635)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01259 (0.00585 - 0.02711), b=2.86 (2.68 - 3.04), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.3 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (43 of 100). 🛈 |