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Maturité: Lm? range ? - ? cm Max length : 5.0 cm TL mâle / non sexé; (Ref. 35237); common length : 4.0 cm TL mâle / non sexé; (Ref. 27139)
Prefers small and shallow streams or sunny swamps. A quite species which is not so keen on jumping (Ref. 35237). In its natural environment of shallow marshes and streams with little current, it can be sympatric with R. xiphidius, R. igneus, R. lungi and R. cladophorus. Not a seasonal killifish. Is easy to maintain in the aquarium (Ref. 27139). Sexual differentiation begins during the first week. Reproduction may start at around 10 months. Females spawn approximately 20 eggs measuring 1.5 mm diameter. Hatching occurs after 4 weeks of incubation at 22°C, thus releasing alevins measuring 3 mm long. This species is well known by the aquarists who breed them easily (Ref. 35237).
Cycle de vie et comportement reproducteur Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Costa, W.J.E.M., 2003. Rivulidae (South American Annual Fishes). p. 526-548. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36579)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Dynamique des populations Paramètres de croissance Âges / tailles maximales Longueur-poids rel. Rel. longueur-longueur. Fréquences de longueurs Conversion de masse Recrutement Abondance
Cycle de vie Reproduction Maturité Maturité/épines rel. Fécondité Frai Agrégats de frai Œufs Développement de l'œuf Larves Dynamique des populations larvaires
Physiologie Composition corporelle Nutriments Consommation d'oxygène Type de natation Vitesse de nage Pigments visuels Son de poisson Maladies et parasites Toxicité (CL50)
