分類 / 名前
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Poeciliidae (Poeciliids) > Poeciliinae
Etymology: Xiphophorus: Greek, xiphos = sword + Greek, pherein = to carry (Ref. 45335).
More on author: Günther.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性; pH range: 7.0 - 8.0; dH range: 9 - 19; 移住性ではない (Ref. 126106). Tropical; 18°C - 25°C (Ref. 1672); 23°N - 17°N, 99°W - 86°W
North and Central America: Ciudad Veracruz, Mexico to northern Belize. At least one country reports adverse ecological impact after introduction.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 2.8, range 1 - 4.2 cm
Max length : 4.0 cm TL オス/雌雄の選別がない; (Ref. 57749); 6.0 cm TL (female); common length : 2.4 cm TL オス/雌雄の選別がない; (Ref. 12193)
背鰭 (合計) : 8 - 10. Distinct line of black pigment midventrally on caudal peduncle absent. Greatest body depth about 2 times in SL. Ventral rays of caudal fin of males not elongated into a sword. Male gonopodium falling short of caudal fin base, without a membranous protuberance, third ray with a strong hook (Ref. 30499).
Body shape (shape guide): fusiform / normal.
Adults occur in warm springs, canals and ditches with typically slow-moving water, silt bottoms and weedy banks (Refs. 5723; 44091, 44894). Also inhabit creeks and swamps (Ref. 44894). They feed on worms, crustaceans, insects and plant matter (Refs. 7020; 44091). Used for genetic research (Ref. 4537). Several color varieties are popular aquarium fishes, where they attain sexual maturity after 3-4 months and reproduce easily (Ref. 1672). Aquarium keeping: minimum aquarium size 60 cm (Ref. 51539).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
After 24 to 30 days gestation, 20 to 80 young are born (Ref 7020).
Rodriguez, C.M., 1997. Phylogenetic analysis of the tribe Poeciliini (Cyprinodontiformes: Poeciliidae). Copeia 1997(4):663-679. (Ref. 26855)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 興味がない; 水族館・水槽: 商業
用具
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00458 - 0.02392), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.2 ±0.40 se; based on food items.
回復力 (参照
120179): 高い, 15か月以下の倍増期間の最小個体群 (tm<1).
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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