Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
Africa: Lower Guinea endemic, known from the Mungo, Wowe, Ohumbe, Mekom, Kelle, Louetsie, Kouilou, Kissafou and Loubomo rivers (Ref. 81639).
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 22.6 cm SL mâle / non sexé; (Ref. 81639)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 9; Vertèbres: 32 - 33. Diagnosis: snout without transverse furrow, but non-tuberculate space present separating anterior extremity from rest of snout; profile of anterior extremity is truncate and oblique; scale formula: 38-39 (38 commonly observed); 4.5-5.5 (5.5 commonly observed); 3.0-3.5 (3.0 commonly observed); 15-17 (16 commonly observed); dorsal fin with 9 branched rays; upper edge of dorsal fin always concave; 32-33 (32 commonly observed) vertebrae; ventral fin origin located under the 3rd branched dorsal ray; genital opening close to anal fin origin; longitudinal band present, flared over the scaled base of caudal fin (Ref. 81639).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
De Weirdt, D., A. Getahun, S. Tshibwabwa and G.G. Teugels, 2007. Cyprinidae. p. 466-572. 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. 81639)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00305 - 0.02858), b=3.01 (2.76 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
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 vulnerability (18 of 100).
