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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Rivulinae
Etymology: Rivulus: Latin, rivus = stream (Ref. 45335); flammaecauda: Name from Latin, 'flamma' meaning 'with flames' and 'cauda; for 'tail', referring to the flame-like radial lines on male caudal fins, a trait apparently unique among known Rivulus species..

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water benthopelagisch. Tropical

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South America: Colombia and possibly Brazin and Venezuela.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 3.6 cm SL mannelijk / geslacht onbekend; (Ref. 130065)

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This species is distinguished by the following characters: short pelvic fins, not reaching insertion of anal-fin base; truncate caudal fin in males; with few scales in the longitudinal series, 37-38 (Ref. 130065).

The type locality, a black water creek was located in primary forest under a thick canopy and where water depth was only a few cms, likely due to the flat terrain. The creek is divided into several smaller streams and covered a wide stretch of the forest floor. Rivulus flammaecauda was more abundant in deeper, open areas (Ref. 130065).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

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Vermeulen, F.B.M. and D.A. Mejia-Vargas, 2020. Two new sympatric species of the aplocheiloid killifish genus Rivulus (s.l.) (Cyprinodontiformes: Rivulidae) from the Alto Rio Negro, Guainía Dpt., Colombia. Killi-Data Series 2020:22-35. (Ref. 130065)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet geëvalueerd

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Trofisch niveau (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Rivulus flammaecauda Vermeulen & Mejia-Vargas, 2020