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Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Nannaethiops: Latin, nannus = small + Aethiops, with appearance of being from Aethiopia, the nord east African region (Ref. 45335).
More on author: Günther.
Taxonomic Remarks
Type species of genus (monotypic) (Ref. 81638).
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce pelágico; pH range: 6.5 - 7.5; dH range: ? - 12. Tropical; 23°C - 26°C (Ref. 1672)
Africa: Niger and Cross River in Nigeria (Ref. 2936, 31256, 86396) and Chad basin (Ref. 367, 86396). Found in Cameroon, Gabon, Equatorial Guinea, DRCongo, Republic of Congo, Cabinda (Ref. 81638). Also reported from Ghana (Ref. 11235) and the lower part of the Congo basin (Ref. 2936, 94734). Reports from other parts of the Congo basin (Ref. 1878, 1879, 41591, 46861) need confirmation.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 6.2 cm TL macho / no sexado; (Ref. 2936)
Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 12 - 14; Espinas anales: 0; Radios blandos anales: 9 - 11. Diagnosis: distinguished from Neolebias by its always complete lateral line; caudal peduncle 1-1.5x longer that high (Ref. 2936, 86396). 32-36 scales in a longitudinal series (Ref. 81638, 86396). Four, rarely 5, scales between dorsal fin origin and lateral line (Ref. 81638). 11-16 (Ref. 86396) or 12-14 (Ref. 81638) total dorsal fin rays. 10 (Ref. 86396) or 9-11 (Ref. 81638) total anal fin rays.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Distinguished from Neolebias by its always complete lateral line (Ref. 2936). Feeds on worms, crustaceans and insects (Ref. 7020).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | 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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Acuario: Comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01230 (0.00608 - 0.02487), b=2.87 (2.70 - 3.04), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Referencia
69278): 3.0 ±0.37 se; based on food items.
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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