Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
Africa: Diogou, Diani and Simandou Rivers systems (Ref. 2801). Also known from the coastal Guinean basins, from the Tominé River to east of Liberia (Ref. 2940, 81282) and from Côte d'Ivoire (Ref. 272). Also present in the Via River, Liberia (Ref. 43268).
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 25.6 cm SL mâle / non sexé; (Ref. 2940)
Description synthétique
Morphologie | Morphométrie
Épines dorsales (Total): 1; Rayons mous dorsaux (Total): 12; Rayons mous anaux: 8. Diagnosis: last simple dorsal ray ossified and as long as or shorter than head in specimens over 150 mm SL; lips normally well developed, with or without mental lobe; mental lobe absent in certain populations from Liberia; 8-9 dorsal fin branched rays; scale formula 3.5-5.5/24-31/4.5; 2 scales between lateral line and pelvic-fin base; 12 scales around caudal peduncle; 2-4/10-14 gill rakers on first gill arch (Ref. 2940, 81282).
Maximum TL was recorded at 29 cm (Ref. 2801).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Lévêque, C. and J. Daget, 1984. Cyprinidae. p. 217-342. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 2801)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
Taille/ÂgeCroissanceLongueur-poidsLongueur-longueurFréquences de longueursMorphométrieMorphologieLarvesDynamique des populations larvairesRecrutementAbondanceBRUVS
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
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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 (0.00422 - 0.02065), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.5 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 vulnerability (21 of 100).
