Teleostei (teleosts) >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Cyprinodontidae (Pupfishes) > Cyprinodontinae
Etymology: Cualac: A city in the state of Guerrero, Mejico.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 7.9 - ? ; dH range: 53 - ?; non-migratory. Tropical; 28°C - 30°C (Ref. 2059)
North America: San Luis Potosi, Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm TL male/unsexed; (Ref. 27139)
An egg laying omnivorous fish which prefers rocky-gravelly substratum with vegetation. Aquarium conditions: pH=7.2, H=12, 28°C water temperature (Ref. 6398). Not a seasonal killifish. Is easy to maintain in the aquarium (Ref. 27139).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Huber, J.H., 1996. Killi-Data 1996. Updated checklist of taxonomic names, collecting localities and bibliographic references of oviparous Cyprinodont fishes (Atherinomorpha, Pisces). Société Française d'Ichtyologie, Muséum National d'Histoire Naturelle, Paris, France, 399 p. (Ref. 27139)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest; aquarium: commercial
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [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).
Trophic level (Ref.
69278): 2.5 ±0.1 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).