Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch; standvastig. Temperate; 18°C - 26°C (Ref. 13614); 32°N - 31°N
North America: restricted to Toyah Creek and the effluents (including irrigation canals) of San Solomon, Phantom Cave and Griffin springs in Reeves County in Texas, USA.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 6.2 cm TL mannelijk / geslacht onbekend; (Ref. 5723); common length : 3.8 cm TL mannelijk / geslacht onbekend; (Ref. 12193)
Occurs in springs, spring-fed canals and ditches, usually over mud in current (Ref. 5723). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139)
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Bedreigd (EN) (B1ab(iii,v)+2ab(iii,v)); Date assessed: 21 November 2011
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00591 - 0.03081), b=3.14 (2.95 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.6 ±0.1 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Assuming tm<1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).