分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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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.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性; 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.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm TL オス/雌雄の選別がない; (Ref. 26130); 6.0 cm (female)
Inhabits fast flowing creeks in mountainous areas up to 1200 m elevation.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
用具
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インターネットの情報源
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=0.00851 (0.00374 - 0.01935), b=3.14 (2.95 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, 1.4年~4.4年の倍増期間の最小個体群 (tm=0.5-1.5; Fec=20-40; assuming multiple pregnancies per year).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).