Actinopterygii (peixes com raios nas barbatanas) >
Characiformes (Characins) >
Alestidae (African tetras)
Etymology: Brycinus: Greek, ebrykon, brykomai = to bite, to gnaw (Ref. 45335).
Ambiente / Clima / Intervalo
Ecologia
; Água doce pelágico(a,os,as). Tropical, preferred ?
Africa: Lakes Victoria, Kyoga and Nabugabo; Victoria Nile, Malawa River (Ref. 4903, 34290) and Middle Akagera (Ref. 46152). Also reported from Aswa River (Ref. 4903), Lake Rukwa basin (Ref. 27292) and Malagarazi River (Ref. 54847, 98755).
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 13.8 cm TL macho/indeterminado; (Ref. 27292)
Espinhos dorsais (total): 0; Raios dorsais (total): 10; Espinhos anais 0; Raios anais : 20 - 21. Anal fin margin of females straight or very slightly concave; markedly convex in males (individual rays are stouter and coarser than those of females). Silver, bluish to black dorsally; silver longitudinal band running from behind the operculum to the caudal peduncle, where it merges with an irregular black blotch which extends to the caudal fin base. All fins grey in color; other specimens all yellowish (except for pectorals). Dorsal adipose fin bright orange (Ref. 34290).
In Lake Victoria found in shallow inshore areas with papyrus and other aquatic vegetation (Ref. 34290). In Lakes Kyoga and Nabugabo amongst marginal vegetation; believed to run up rivers during rainy season to spawn (Ref. 4903). Present in lake and affluents in the Lake Rukwa basin (Ref. 27292). Feeds on aquatic plants and surface insects (chironomid pupae), rarely on fishes (Ref. 12526). Appears in small quantities in markets (Ref. 4967).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Seegers, L., 1996. The fishes of the Lake Rukwa drainage. Ann. Mus. R. Afr. Centr., Sci. Zool., 278:1-407. (Ref. 27292)
Status na Lista Vermelha da IUCN (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Perigo para os humanos
Harmless
Uso pelos humanos
Pescarias: pouco comercial
Mais informação
Nomes comunsSinônimosMetabolismoPredadoresEcotoxicologiaReproduçãoMaturidadeDesovaFecundidadeOvosDesenvolvimento dos ovos
ReferênciasAquaculturaPerfil para aquaculturaEstirpesGenéticaFrequência alélicaHereditariedadeDoençasProcessamentoMass conversion
ColaboradoresFotosStamps, CoinsSonsCiguateraVelocidadeTipo de nataçãoÁrea branquialOtólitosCérebrosVisão
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