Distichodus rostratus, Grass-eater : fisheries

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Distichodus rostratus Günther, 1864

Grass-eater
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Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Distichodus: Greek, di = two + Greek, stix, stichos = line, row (Ref. 45335).
More on author: Günther.

Environment: milieu / climate zone / depth range / distribution range Ecología

; agua dulce demersal; pH range: 6.5 - 7.5; dH range: ? - 15; potamodromo (Ref. 51243). Tropical; 22°C - 28°C (Ref. 12468)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Africa: from Senegal to the Chad basin (Ref. 2936, 86396), but absent in coastal basins between southern Gambia and Sassandra (Ref. 2936, 86396). Also in the Nile (Ref. 7094, 28714) and the Cross River (Ref. 81638, 86396).

Length at first maturity / Tamaño / Peso / Age

Maturity: Lm ?, range 30 - ? cm
Max length : 76.0 cm TL macho / no sexado; (Ref. 7094); peso máximo publicado: 6.3 kg (Ref. 7094)

Short description Morfología | Morfometría

Espinas dorsales (total): 0; Radios blandos dorsales (total): 21-27; Espinas anales 0; Radios blandos anales: 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.

Biología     Glosario (por ej. epibenthic)

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 Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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. 130435)


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