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> Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Distichodus: Greek, di = two + Greek, stix, stichos = line, row (Ref. 45335).
Eponymy: Dr Otto Koller (1872–1950) of the Vienna Natural History Museum was an Austrian biologist and zoologist who was the first ichthyologist to examine specimens on which the species Gobiobotia kolleri is based (1927). [...] (Ref. 128868), visit book page.

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

; agua dulce pelágico. Tropical

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Africa: Lower Guinea endemic, only occuring in the Sanaga River basin, Cameroon (Ref. 7094, 51193, 81638).

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 19.5 cm SL macho / no sexado; (Ref. 81638)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 21 - 27; Espinas anales: 0; Radios blandos anales: 13 - 18. Diagnosis: 46-49 pored lateral line scales, followed by several smaller, unpored scales on caudal fin base; total dorsal rays 21-27; dorsal fin becoming increasingly elongate ontogenetically, tip of dorsal fin reaching beyond base of caudal fin in larger individuals (Ref. 81638).

Maximum TL was recorded at 21.5 cm (Ref. 7094).

Life cycle and mating behavior Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva

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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: Version 2024-2)

Least Concern (LC) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01660 (0.00685 - 0.04019), b=3.04 (2.83 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Fishing Vulnerability (Ref. 59153): Low vulnerability (14 of 100).

Distichodus kolleri Holly, 1926