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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: flavicaudatus: From the Latin 'flavus' (yellow) and 'caudatus' (with caudal fin), an allusion to the color pattern of the males.
More on authors: Costa & Brasil.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch; standvastig. Tropical; 22°C - 26°C (Ref. 13614)
South America: São Francisco River basin, Brazil.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm TL mannelijk / geslacht onbekend; (Ref. 36579)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 16 - 24; Anale zachte stralen: 19 - 24; Wervels: 28 - 30. Caudal peduncle of female with black spots. Male's anal fin with gray to black distal stripe, iridescent dots restricted to posterior portion of the fin, anterior part pink and posterior yellow; basihyal broad, 70-95% in length; and, second pharyngobranchial teeth, 5-10. Dorsal-fin rays 22-24 in male, 16-18 in female; anal-fin rays 23-24 in male, 19-21 in female; caudal-fin rays 24-26, caudal fin subtruncate in male, rounded in female. Possess minute pectoral-fin contact organs, and no black blotches and round brilliant spots on anterobasal part of dorsal fin of male (Ref. 49550).
Found in temporary pools (Ref. 89836). Bottom spawner, 3 months. Is difficult to maintain in aquarium (Ref. 27139).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Costa, W.J.E.M., 2003. The Simpsonichthys flavicaudatus species group (Cyprinodontiformes: Rivulidae: Cynolebiatinae): phylogenetic relationships, taxonomic revision and biogeography. Ichthyol. Explor. Freshwat. 14(1):31-60. (Ref. 49550)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Bedreigd (EN) (B1ab(ii,iii)+2ab(ii,iii)); Date assessed: 18 May 2022
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; Aquarium: Commercieel
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