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Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar pelagis, permukaan; pH range: 6.2 - 7.2; dH range: 6 - 18; potamodromous (Ref. 51243). Tropical; 22°C - 27°C (Ref. 12468)
Africa: Niger River, Cross River and Chari-Logone (Ref. 86396).
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 5.8 cm SL jantan/; (Ref. 2936)
deskripsi pendek
Morfologi | Morfometrik
Diagnosis: body very elongate; head length 3.9-4.4x SL; scale formula 4.5-5.5/49-54/-; 7-8 scales between anus and anal-fin base; 14-16 scales around caudal peduncle; 10-12.5 scales between posterior end of adipose and caudal fin base; pectoral fins usually extend beyond pelvic-fin bases; dorsal-fin origin behind level of pelvic-fin insertions; 9-10 anal fin branched rays; 13-14 dorsal fin branched rays; 13-16 pectoral fin branched rays; 9-10 pelvic fin branched rays; fins, including adipose fin, colourless, but often dark spot at base of each caudal-fin lobe and small spot in antero-dorsal region of dorsal fin; 7-11 cross-bars present on back; 4-7 separate spots along lateral line (Ref. 2936, 86396).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Gosse, J.-P. and E.J. Coenen, 1990. Distichodontidae. p. 237-260. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren and O.R.S.T.O.M., Paris, 384 p. (Ref. 2936)
Status IUCN Red List (Ref. 130435)
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