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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Procatopodidae (African lampeyes) > Procatopodinae
Eponymy: Dr Johannes Rasch Pfaff (d: 1959) was a Swedish ichthyologist and collector who was Curator of Vertebrates at the University of Copenhagen Zoological Museum. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk; pH range: 6.5 - 7.2; flodvandrande (Ref. 51243). Tropical; 22°C - 26°C (Ref. 2059)
Africa: Bafing and upper Niger rivers in Guinea, Sassandra and Bandama rivers in northern Côte d'Ivoire, Black Volta, White Volta and Comoé in Burkina Faso, upper Niger in Mali, upper Volta in Ghana, Niger River in Niger and northern Nigeria, and Lake Chad basin in northern Nigeria, northern Cameroon, Chad and probably also northern Central African Republic (Ref. 57259).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 3.0 cm SL hane/ej könsbestämd; (Ref. 57259); 3.5 cm TL (female)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 6 - 8; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 11 - 15. Diagnosis: Small and slender species with rounded fins and lacking the distinctive colour pattern of the other species of the genus Micropanchax; dorsal fin with 6-8 rays, anal fin with 11-15 rays; scales on mid-lateral series 27-30 (Ref. 57259).
Colouration: Male colouration: translucent pale olive-grey with a light blue iridescence on the sides and narrow dark grey edgings to the scales; the dorsal fin is colourless to pale yellow; the anal fin is a more intense yellow, sometimes with a pale brown border; the caudal fin is colourless to pale yellow (Ref. 57259). Female colouration: translucent pale grey without any iridescence on the sides; all fins are colourless (Ref. 57259).
Body shape (shape guide): fusiform / normal.
Found in small rivers, brooks, swamps and shallow parts of larger bodies of water (Ref. 57259). Not a seasonal killifish. Is very difficult to maintain in aquarium (Ref. 27139).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Wildekamp, R.H. and J.R. Van der Zee, 2003. Poeciliidae. p. 300-324 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57259)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Akvarium: Kommersiell
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00224 - 0.01412), b=3.07 (2.85 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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