Classification / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Goodeidae (Splitfins) > Goodeinae
Etymology: Xenotoca: Greek, xenos = strange + Greek, tokos, oy = birth (Ref. 45335).
More on author: Bean.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal; pH range: 6.5 - 7.6; dH range: 5 - 25. Tropical; 20°C - 27°C (Ref. 2060); 21°N - 19°N
Central America: central highlands of Mexico.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 6.9  range ? - ? cm
Max length : 6.0 cm TL mâle / non sexé; (Ref. 2060); 7.0 cm TL (female)
Females can give birth every 2 months.
Lyons, J., G. González-Hernandéz, E. Soto-Galera and M. Guzmán-Arroyo, 1998. Decline of freshwater fishes and fisheries in selected drainages of west-central Mexico. Fisheries 23(4):10-18. (Ref. 27639)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Commercial
Outils
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.0 ±0.1 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec=20).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).