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Osteoglossiformes (Bony tongues) >
Mormyridae (Elephantfishes)
Etymology: Hippopotamyrus: Greek, ippos = horse + Greek,potamos = river + greek, myros = the male of morey eel (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal. Tropical; 22°C - 24°C (Ref. 12468)
Africa: in the large Sahelo-Sudanese basins Nile, Niger, Benue, Chad and Volta (Ref. 2915, 28714, 81274); also Mono River in Togo, Sassandra River in Ivory Coast and in Ghana, Burkina Faso, NIgeria and Cameroon (Ref. 3203, 2915, 81274).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 30.5 cm SL mâle / non sexé; (Ref. 3203); poids max. publié: 100.00 g (Ref. 3799)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 29 - 39; Épines anales: 0; Rayons mous anaux: 30 - 36. Concave back profile. Dorsal and anal fins on same level. Body height 3.2-4.8 x SL. Chin less developed than H. paugyi. Caudal peduncle height 3.2-4.9 x of its length. Nasal openings forming 45° angle with body axis.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00662 - 0.02084), b=2.86 (2.71 - 3.01), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).