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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
Ecología
; agua dulce bentopelágico; no migratorio. Tropical; 22°C - 26°C (Ref. 13614)
South America: São Francisco River basin, Brazil.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm TL macho / no sexado; (Ref. 36579)
Short description
Claves de identificación | Morfología | Morfometría
Radios blandos dorsales (total) : 16 - 24; Radios blandos anales: 19 - 24; Vértebra: 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).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Pesquerías: comercial; Acuario: Comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).