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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).
More on authors: Taverne & Géry.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal. Tropical
Africa: restricted to the Ivindo River basin and the Ntem River basin (Ref. 81635).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 41.3 cm SL mannelijk / geslacht onbekend; (Ref. 81635)
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 23 - 24; Anale stekels: 0; Anale zachte stralen: 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).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00612 - 0.02839), b=2.85 (2.67 - 3.03), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).