Hesperoleucus symmetricus (Baird & Girard, 1854)
California roach
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Hesperoleucus symmetricus
图片提供人 Allison, A.
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图片提供人 Allison, A.
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: Hesperoleucus: Greek, hesperos = the land of the west + Greek, leukos = white (Ref. 45335).
More on authors: Baird & Girard.
Etymology: Hesperoleucus: Greek, hesperos = the land of the west + Greek, leukos = white (Ref. 45335).
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. 溫帶; 43°N - 35°N
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
North America: Sacramento-San Joaquin, Russian, Pajaro-Salinas and smaller coastal drainages in California, USA.
北美洲: 薩克拉門托河-聖約昆河與在美國加州的 Pajaro-Salinas 河河流域。
北美洲: 薩克拉門托河-聖約昆河與在美國加州的 Pajaro-Salinas 河河流域。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 11.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 8.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 5 年 (Ref. 72464)
Max length : 11.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 8.3 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 5 年 (Ref. 72464)
简单描述 检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 7 - 10. Mouth slightly subterminal; body deep, compressed, tapering to narrow caudal peduncle; dorsal-fin origin behind pelvic-fin origin; caudal fin large; scales on lateral line 47-63; dorsal fin with 7-10 rays; pharyngeal teeth 0,5-4,0; dusky gray to steel blue above; dark stripe along side; silver white below; and breeding individuals with red orange-chin, gill cover, and anal and paired-fin bases (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Adults inhabit rocky pools of headwaters, creeks and small to medium rivers (Ref. 86798). Migratory behaviour is undetermined (Ref. 126106).
栖息于河川源头，小溪及小型到中型河川的岩石水池。
栖息于河川源头，小溪及小型到中型河川的岩石水池。
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: 薩克拉門托河-聖約昆河與在美國加州的 Pajaro-Salinas 河河流域。
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 | 合作者
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)
CITES
Not Evaluated
对人类的威胁
无害处的
人类利用
FAO - Publication: search | FishSource |
更多信息
工具
特别资料
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网络资源
AFORO (otoliths) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: 属, 种 | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录
基于模型的估算
|
系统发育多样性指数 (参考文献 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.01148 (0.00455 - 0.02896), 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) |
2.4 ±0.2 se; based on size and trophs of closest relatives |
| Generation time | 2.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
|
回复力 (参考文献 120179) |
高度, 族群倍增时间少于 15个月 (K=0.5). |
|
渔业脆弱性 (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |