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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
Ekologi
; sötvatten bottenlevande; pH range: 6.5 - 7.5; dH range: ? - 10. Tropical; 23°C - 27°C (Ref. 13614); 10°N - 6°N
Africa: Limited to the Atlantic face of the Guinean mountain range, known from Guinea (Konkouré and Kolenté Rivers), Sierra Leone (Little Scarcies, Jong, Moa and Mano Rivers), and Liberia (Saint Paul River).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm SL hane/ej könsbestämd; (Ref. 2915)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 29 - 34; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 26 - 33. Chin well developed, rounded and prominent. Nasal openings aligned on an axis parallel to that of the body. Dorsal fin origin same level as anal fin origin. LS/Depth ratio 4.1-5.2. Caudal peduncle 3-5 x long than wide. Body generally dark and mottled. Dark band vertically across body between the first few rays of dorsal and anal fins.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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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=0.01318 (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).
Trofisk nivå (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).