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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: hellneri: Named for Steffan Hellner.
Eponymy: Steffen Hellner (d: 1961) is a German aquarist and independent researcher specialising in killifish from an early age, having acquired his first aquarium aged 12. [...] (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch; standvastig. Tropical; 22°C - 26°C (Ref. 13614)
South America: São Francisco River basin, Brazil.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 6.0 cm TL mannelijk / geslacht onbekend; (Ref. 27139)
Bottom spawner, 6 months. Is difficult to maintain in aquarium (Ref. 27139).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Costa, W.J.E.M., P.F. Amorim and J.L. Mattos, 2012. Species delimitation in annual killifishes from the Brazilian Caatinga, the Hypsolebias flavicaudatus complex (Cypriniformes: Rivulidae): implications for taxonomy and conservation. Systematics and Biodiversity 10(1):71-91. (Ref. 89836)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Bedreigd (EN) (B2ab(i,ii,iii,iv,v)); Date assessed: 07 November 2018
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; Aquarium: Commercieel
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00603 (0.00260 - 0.01395), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
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.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |
Prijsklasse (Ref. 80766) |
Unknown.
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