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Cottus bairdii
Male 图片提供人 N. Burkhead & R. Jenkins, courtesy of VDGIF
照片 | 谷歌图片
Male 图片提供人 N. Burkhead & R. Jenkins, courtesy of VDGIF
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); bairdii: Named after Spencer Fullerton Baird, first U.S. Fish Commissioner.
Eponymy: Spencer Fullerton Baird (1823–1887) was an American zoologist and giant of American ornithology. [...] (Ref. 128868), visit book page.
More on author: Girard.
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335); bairdii: Named after Spencer Fullerton Baird, first U.S. Fish Commissioner.
Eponymy: Spencer Fullerton Baird (1823–1887) was an American zoologist and giant of American ornithology. [...] (Ref. 128868), visit book page.
More on author: Girard.
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
North America: widespread with highly disjunct distribution in Canada and USA. The former Blue Ridge race of the Atlantic slope of the Appalachian Mountains is now recognized as a distinct species Cottus caeruleomentum.
北美洲: 在加拿大與美國中有高度地非連續分布廣泛分佈。 Appalchian 山的大西洋斜坡的先前藍色脊比賽現在被鑑定為一個不同的種 Cottus caeruleomentum 。
北美洲: 在加拿大與美國中有高度地非連續分布廣泛分佈。 Appalchian 山的大西洋斜坡的先前藍色脊比賽現在被鑑定為一個不同的種 Cottus caeruleomentum 。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 15.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 8.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 2.00 年 (Ref. 12193)
Max length : 15.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 8.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 2.00 年 (Ref. 12193)
Adults occur in rubble and gravel riffles, less often in sand-gravel runs of headwaters, creeks and small rivers. Also found in springs and their effluents and rocky shores of lakes (Ref. 1998, 10294). They feed mainly on aquatic insect larvae, but also on crustaceans, annelids, fishes, fish eggs, and plant material (Ref. 1998, 10294). Spawn in the spring (Ref. 1998). A male guards the cluster of eggs laid by different females (Ref. 1998). Neither anterolateral glandular groove nor venom gland is present (Ref. 57406).
出现于瓦砾与碎石激流, 较不常见于沙子-砾石河川源头,小溪与小河的小支流。 也发现于泉水与湖的其溢流与岩岸。 主要吃水生的昆虫幼生, 也捕食甲壳动物，环节动物，鱼，鱼卵与植物.(参考文献 1998) 产卵在春天。 (参考文献 1998) 既不是前外侧的腺凹槽也不是毒液腺存在.(参考文献 57406)
出现于瓦砾与碎石激流, 较不常见于沙子-砾石河川源头,小溪与小河的小支流。 也发现于泉水与湖的其溢流与岩岸。 主要吃水生的昆虫幼生, 也捕食甲壳动物，环节动物，鱼，鱼卵与植物.(参考文献 1998) 产卵在春天。 (参考文献 1998) 既不是前外侧的腺凹槽也不是毒液腺存在.(参考文献 57406)
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Male selects a nesting site under a rock of ledge. Male entices a female to enter the nest. Female deposits eggs on the upper surface of the rock and leaves or is driven out of the nest. Eggs are deposited by different females. The male guards the eggs from predators and maintains a natural current flow (Ref. 1998). Also Ref. 53335.北美洲: 在加拿大與美國中有高度地非連續分布廣泛分佈。 Appalchian 山的大西洋斜坡的先前藍色脊比賽現在被鑑定為一個不同的種 Cottus caeruleomentum 。
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, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
CITES
Not Evaluated
对人类的威胁
无害处的
人类利用
渔业: 没有兴趣
FAO - Publication: search | FishSource |
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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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00759 (0.00407 - 0.01414), b=3.15 (2.99 - 3.31), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
|
营养阶层 (参考文献 69278) |
3.3 ±0.46 se; based on food items. |
|
回复力 (参考文献 120179) |
高度, 族群倍增时间少于 15个月 (tmax=2). |
|
渔业脆弱性 (Ref. 59153) |
Low to moderate vulnerability (34 of 100). 🛈 |