分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Laviniinae
Etymology: Lavinia: Lavinia, -ae, Latin = daughter of king Latino, married with Aeneas; mythology.
Eponymy: Girard gave no reasoning for his naming of this genus. [...] (Ref. 128868), visit book page.
More on authors: Baird & Girard.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 居于水底的; 河川洄游 (Ref. 126106). 溫帶; 41°N - 36°N
North America: Sacramento-San Joaquin, Clear Lake, Russian River, and Pajaro-Salinas river drainages in California, USA. Three subspecies were previously recognized: Lavinia exilicauda chi in Clear Lake; Lavinia exilicauda harengus in Pajaro and Salinar River; and Lavinia exilicauda exilicauda in rest of the range.
北美洲: 清澈的湖 (湖縣) ，俄羅斯河, 薩克拉門托河-聖約昆河，舊金山與在美國加州的蒙德勒海灣流域。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 36.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 25.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 6 年 (Ref. 72462)
背的软条 (总数) : 10 - 13; 臀鳍软条: 11 - 13. Body deep and compressed; caudal peduncle tapering to narrow; caudal fin large; lateral line strongly decurved; head small, compressed, mouth terminal (slightly upturned); dorsal-fin origin behind pelvic-fin origin; scales on lateral line 54-62; dorsal fin with 10-13 rays; anal fin with 11-13 rays; pharyngeal teeth 0,5-4,0 or 0,5-5,0; brown-yellow above, scales on back and silver side darkly outlined (crosshatched pattern on small individuals); fins dusky; and small specimens with black caudal spot (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Adults occur in lakes, ponds, sloughs, backwaters and sluggish sandy pools of small to large rivers (Ref. 5723, 86798).
出现于小型到大型河川的湖，池塘，泥坑，洄水区与滞流的沙地水池。
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
北美洲: 清澈的湖 (湖縣) ，俄羅斯河, 薩克拉門托河-聖約昆河，舊金山與在美國加州的蒙德勒海灣流域。
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00451 - 0.02922), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.1 ±0.2 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low to moderate vulnerability (26 of 100).
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