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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Cyprinodontidae (Pupfishes) > Cyprinodontinae
Etymology: Cyprinodon: Latin, cyprinus = carp + Greek, odous = teeth (Ref. 45335).
Eponymy: Dr José Álvarez del Villar (1903–1986) was a Mexican biologist and ichthyologist who is regarded as the founder of modern Mexican ichthyology. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; ej vandrande. Subtropical; 18°C - 22°C (Ref. 12468); 25°N - 24°N
North America: El Potosí in Nuevo Leon, Mexico.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL hane/ej könsbestämd; (Ref. 27139); common length : 4.3 cm TL hane/ej könsbestämd; (Ref. 12193)
Mjukstrålar i ryggfenan (totalt) : 10 - 12; Mjukstrålar i analfenan: 9 - 11.
5.9 cm max SL (Ref. 12193). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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
Verktyg
Special reports
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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).
Trofisk nivå (Ref.
69278): 2.7 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).