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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Xiphophorus: Greek, xiphos = sword + Greek, pherein = to carry (Ref. 45335).
Eponymy: Nezahualcoyotl (1402–1472) was a philosopher king of the Texcocan people in Mexico. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bentopelagisk; pH range: 7.0 - ?. High altitude; 19°C - ? (Ref. 50643); 23°N - 21°N, 100°W - 98°W
Central America: Rio Tamasi drainage in San Luis Potosi, Mexico.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 5.0 cm TL hane/ej könsbestämd; (Ref. 26130); 6.0 cm (female)
Inhabits fast flowing creeks in mountainous areas up to 1200 m elevation.
After an average gestation length of 24 days, female drops 20-40 young.
Wischnath, L., 1993. Atlas of livebearers of the world. T.F.H. Publications, Inc., United States of America. 336 p. (Ref. 26130)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00369 - 0.01962), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (tm=0.5-1.5; Fec=20-40; assuming multiple pregnancies per year).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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