Actinopterygii (strålfeniga fiskar) >
Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Distichodus: Greek, di = two + Greek, stix, stichos = line, row (Ref. 45335). More on author: Günther.
Miljö / Klimat / Range
Ekologi
; sötvatten bottenlevande. Tropical, preferred ?
Africa: present from Senegal to Cameroon, in Lake Chad basin and Nile River (Ref. 81638). Reported in the Senegal (Ref. 7094, 86396), Niger, Volta, Ogun, Chad (Ref. 2936, 86396), Cross (Ref. 2936, 7094, 81638, 86396) and Wouri (Ref. 2936, 7094) River basins.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm SL hane/ej könsbestämd; (Ref. 2936); publicerad maxvikt: 1.5 kg (Ref. 3799)
Short description
Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 20-28; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 13 - 17. Diagnosis: mouth inferior; body depth 2.6-3.4x and head length 4.0-5.4x SL; caudal peduncle length <= its depth; eye diameter 3.5 (juveniles)-5.7x head length; 11-12 scales between lateral line and scaly process at bases of pelvic fins; juveniles with numerous small, dark, eye-sized, spots on sides (Ref. 2936, 86396). No round humeral spot, no vertical bars (Ref. 81638). 73-86 (Ref. 81638) or 75-86 (Ref. 86396) lateral line scales. 14-16 (Ref. 81638) or 15.5-16.5 (Ref. 86396) scales between dorsal fin and lateral line. 20-28 (Ref. 81638) or 22-27 (Ref. 86396) total dorsal fin rays. 13-17 (Ref. 81638) or 13-16 (Ref. 86396) total anal fin rays.
Maximum TL was recorded at 50 cm; prefers flowing water over rocky bottoms (Ref. 7094). Feeds on vegetation and periphyton (Ref. 28714).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell
Ytterligare information
PopulärnamnsynonymerMetabolikPredatorerEkotoxikologiReproduktionKönsmognadLekFecundityÄggEgg development
Age/SizeTillväxtLength-weightLength-lengthLength-frequenciesMorfometriMorfologiLarverLarvdynamikRekryteringAbundans
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikAllelfrekvenserÄrftlighetSjukdomarBehandlingMass conversion
MedarbetareBilderStamps, CoinsLjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
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