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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; pH range: 6.5 - 7.5; dH range: ? - 15; flodvandrande (Ref. 51243). Tropical; 22°C - 28°C (Ref. 12468), preferred ?

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Africa: present from Senegal to the Chad basin (Ref. 2936, 86396). Absent in coastal basins between southern Gambia and Sassandra (Ref. 2936, 86396). Also found in the Nile (Ref. 2936, 7094, 81638) and in the Cross River system (Ref. 81638, 86396).

Length at first maturity / Size / Vikt / Age

Maturity: L_m ?, range 30 - ? cm
Max length : 76.0 cm TL hane/ej könsbestämd; (Ref. 7094); publicerad maxvikt: 6.3 kg (Ref. 7094)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 21-27; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 13 - 17. Diagnosis: mouth subterminal; body depth 2.7-3.6x and head length 3.3-5.5x SL; caudal peduncle 0.7-1.1x longer than wide; 12-15 scales between lateral line and scaly process at bases of pelvic fins; eye diameter 3.3 (juveniles)-7x head length; juveniles with vertical bars on sides (Ref. 2936, 86396). Round humeral spot present (less obvious in larger individuals); body never with small, dark, eye-sized spots (Ref. 81638). 83-94 lateral line scales (Ref. 2936, 81638, 86396). 21-26 (Ref. 86396) or 21-27 (Ref. 81638) total dorsal fin rays. 13-16 (Ref. 86396) or 13-17 (Ref. 81638) total anal fin rays.

Marco-herbivores, feed on submerged plants, Eichornia roots and periphyton (Ref. 28714). Maximum length 62.5 cm SL (Ref. 2936, 81638, 86396).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Vari, R.P., 2007. Distichodontidae. p. 412-465. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 81638)

IUCN Red List Status (Ref. 115185)

Least Concern (LC)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: kommersiell

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Distichodus rostratus Günther, 1864