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
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Eurasia: large rivers draining to Baltic Sea (absent in northern Sweden and Finland north of 62°N), North Sea (Weser, Elbe), Black Sea, Sea of Azov (Don) and Caspian Sea, where it is abundant in Volga, rare in Ural.
歐亞大陸: 波羅的海，黑海，亞速海北方與裡海的流域。 伯恩公約的附錄 3(受保育的動物群).
歐亞大陸: 波羅的海，黑海，亞速海北方與裡海的流域。 伯恩公約的附錄 3(受保育的動物群).
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm 25.5, range 24 - 27 cm
Max length : 49.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 129172); common length : 20.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 556); 最大体重: 2.2 kg (Ref. 138736)
Max length : 49.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 129172); common length : 20.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 556); 最大体重: 2.2 kg (Ref. 138736)
简单描述 检索表 | 型态特徵 | 形态测量图
Differs from Ballerus sapa by having superior mouth, 62-77 scales on lateral line, and small eye with diameter about 2/3 of snout length in individuals larger than 10 cm SL (Ref. 59043).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Occur in large lowland rivers with backwaters and also in eutrophic lowland lakes. Feed mainly on zooplankton in open water of backwaters and other still water bodies. Spawn along shores of rivers or in backwaters on submerged vegetation and also on gravel in moderate current. Migrate upriver in long distances to suitable spawning sites. Juveniles stay in backwaters and flooded zones along rivers. Enter freshened parts of seas to forage. Life span reaches more than 10 years. Locally threatened by habitat alterations along river banks (Ref. 59043).
栖息于大河的下面范围。 主要吃浮游生物。 在春天溯河回游而且产卵。 (参考文献 9696)
栖息于大河的下面范围。 主要吃浮游生物。 在春天溯河回游而且产卵。 (参考文献 9696)
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Mostly spawn several times during their life. Spawning lasts usually for 1-2 weeks. Female spawn once a year. Male often guard spawning territories along the shoreline (Ref. 59043).歐亞大陸: 波羅的海，黑海，亞速海北方與裡海的流域。 伯恩公約的附錄 3(受保育的動物群).
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 | 合作者
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: 低经济
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 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00661 (0.00593 - 0.00737), b=3.13 (3.10 - 3.16), in cm total length, based on LWR estimates for this species (Ref. 93245). |
|
营养阶层 (参考文献 69278) |
3.2 ±0.36 se; based on food items. |
| Generation time | 6.0 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
|
回复力 (参考文献 120179) |
中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.18-0.19; tm=4-5). |
|
渔业脆弱性 (Ref. 59153) |
Moderate to high vulnerability (49 of 100). 🛈 |
|
价格分类 (Ref. 80766) |
Unknown. |