分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers)
鱂形目 (Rivulines, killifishes and live bearers) >
Goodeidae (Splitfins)
谷鱂科 (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
生態學
; 淡水 居於水底的; pH range: 6.5 - 7.6; dH range: 5 - 25. 熱帶; 20°C - 27°C (Ref. 2060); 21°N - 19°N
Central America: central highlands of Mexico.
中美洲: 墨西哥的中央高地。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 6.9 range ? - ? cm
Max length : 6.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2060); 7.0 cm TL (female)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Females can give birth every 2 months.中美洲: 墨西哥的中央高地。
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 16 March 2018
人類使用
漁業: 商業性; 水族館: 商業性
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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).
營養階層 (Ref.
69278): 2.0 ±0.1 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Fec=20).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
