Romanogobio uranoscopus (Agassiz, 1828)
Danubian longbarbel gudgeon
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Romanogobio uranoscopus
图片提供人 Sediva, A.
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图片提供人 Sediva, A.
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
; 淡水 底中水层性. 溫帶; 49°N - 43°N, 8°E - 28°E
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Europe: Danube drainage (absent from Danube main river except upper course and stretches with fast current).
歐洲: 多瑙河與 Dneister 河流域。 在伯恩公約的附錄 3 中 (受保育的動物群).
歐洲: 多瑙河與 Dneister 河流域。 在伯恩公約的附錄 3 中 (受保育的動物群).
大小 / 重量 / 年龄
简单描述 检索表 | 型态特徵 | 形态测量图
Diagnosed from its congeners in Black Sea basin by having the following characters: anus situated midway between pelvic and anal origins or closer to anal origin; predorsal scales without longitudinal epithelial crests; caudal peduncle depth 3.0-3.5 times in its length; dorsal and caudal rays with faint dark spots, forming one dark vertical row (Ref. 59043).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
Adults inhabit riffles of small, fast-flowing rivers and bottom of large rivers with water velocities of 0.7 m/s and more, stone bottom, in submontane zone. Young individuals prefer areas with slow current and shallow shoreline on sand bottom. Adults are nocturnal and solitary while juveniles are diurnal. Spawning occurs in shallow areas with very high current of about 1 m/s (Ref. 59043). Adults feed on insects and benthic invertebrates (Ref. 556). Are sensitive to pollution and damming; locally threatened, especially in western and southern Danube drainage; extirpated in the upper Danube (Ref. 59043).
在快速的流动, 小的河与小溪。 吃昆虫与底栖的无脊椎动物。
在快速的流动, 小的河与小溪。 吃昆虫与底栖的无脊椎动物。
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Both male and female move to surface or open water to spawn. Eggs drift with current, sink to bottom and stick to substrate (Ref. 59043).歐洲: 多瑙河與 Dneister 河流域。 在伯恩公約的附錄 3 中 (受保育的動物群).
主要参考文献
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Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)
CITES
Not Evaluated
对人类的威胁
无害处的
人类利用
渔业: 没有兴趣; 水族馆: 公众的水族馆
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=0.00617 (0.00297 - 0.01281), b=3.11 (2.94 - 3.28), 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) |
3.3 ±0.39 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 (Preliminary K or Fecundity.). |
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渔业脆弱性 (Ref. 59153) |
Low to moderate vulnerability (30 of 100). 🛈 |