Actinoptérygiens (poissons à nageoires rayonnées) >
Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Danioninae
Environnement / Climat / Gamme
Écologie
; eau douce pélagique; profondeur 50 - ? m (Ref. 34290). Tropical; 22°C - 26°C (Ref. 13614), preferred ?; 2°N - 7°S
Africa: known from Lake Victoria drainage, Lake Kyoga, Lake Nabugabo and the Victoria Nile (Ref. 4903).
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 4.4  range ? - 4.7 cm
Max length : 9.0 cm SL mâle / non sexé; (Ref. 4967)
Lateral line low on the body and running along the lower part of the caudal peduncle. Cheek covered by thin suborbital bones. Silver with an overall nacreous sheen. Caudal fin yellow. Dead specimens with a distinct mid-lateral stripe (Ref. 34290).
Highly adapted to pelagic life (Ref. 12526). Found inshore and offshore (Ref. 34290). Known from the surface of inshore and coastal waters; some records from surface waters over great depth (Ref. 4903). Adults stay near the bottom during the day and near the surface at night (Ref. 34291). Juvenile fish migrate away from the shore after spending their larval stage in shallow areas (Ref. 33811). In Lake Kyoga occurring in open water away from water-lily swamps; in Victoria Nile caught in turbulent regions (Ref. 4903). Feed on zooplankton and surface insects (Ref. 4903, 12526) and eaten by birds and siluroids, Schilbe mystus, Clarias gariepinus and Bagrus docmak (Ref. 12526). Mature individuals spawn in the lake and produces floating eggs (Ref. 52061).
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. 115185)
CITES (Ref. 94142)
Not Evaluated
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: hautement commercial; appât: usually
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