Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique; non migrateur. 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.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 6.2 cm TL mâle / non sexé; (Ref. 5723); common length : 3.8 cm TL mâle / non sexé; (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)
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menacé (EN) (B1ab(iii,v)+2ab(iii,v)); Date assessed: 21 November 2011
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources 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=0.01349 (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).
Niveau trophique (Ref.
69278): 2.6 ±0.1 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Assuming tm<1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).