Mesogobius batrachocephalus (Pallas, 1814)
Knout goby
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Mesogobius batrachocephalus
图片提供人 Freyhof, J.
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图片提供人 Freyhof, J.
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Mesogobius: Greek,mesos = half + Latin, gobius = gudgeon (Ref. 45335).
More on author: Pallas.
Etymology: Mesogobius: Greek,mesos = half + Latin, gobius = gudgeon (Ref. 45335).
More on author: Pallas.
环境：氛围 / 气候带 / 深度上下限 / 分布范围 生态学
; 淡水; 半咸淡水 居于水底的; 深度上下限 20 - 100 m (Ref. 4696). 溫帶; 4°C - 18°C (Ref. 2059); 49°N - 40°N, 27°E - 54°E
分布 领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Europe and Asia: Black Sea, and Sea of Azov; lower South Bug and freshwater Lake Siut Giol on Romanian coast.
歐洲: 黑海 , 與亞速海。
歐洲: 黑海 , 與亞速海。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 35.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 92840); 最大体重: 600.00 g (Ref. 50519); 最大年龄: 8 年 (Ref. 59043)
Max length : 35.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 92840); 最大体重: 600.00 g (Ref. 50519); 最大年龄: 8 年 (Ref. 59043)
简单描述 检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 7; 背的软条 (总数) : 16 - 18; 臀棘: 1; 臀鳍软条: 12 - 16. This species is distinguished from its congeners in freshwaters in Black Sea basin by the following characters: papillae in suborbital area 8-10 vertical rows; total scales in midlateral series 72-85; naked nape (Ref. 59043).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
Inhabits inshore, estuaries, brackish- and fresh-water lagoons on sand or rock bottom. Rarely occurs in pure freshwater (Ref. 59043). Found on sand, shell, and rocks near cliffs; at 20-60 m in summer, sometimes as deep as 100 m. Feeds mainly on fish (Ref. 4696). Approaches the sea coasts for spawning in spring (Ref. 2058). Due to large their large size, have certain commercial value in some areas and are popular for sport fishers (Ref. 92840).
生活于近海, 在河口与半咸淡水泻湖中; 极少在淡水。 栖息于在悬崖附近的沙子，贝壳与岩石了; 在 20-60 公尺在夏天, 有时深达 100 公尺。 主要吃鱼。 (参考文献 4696) 为春天产卵接近海岸。 (参考文献 2058)
生活于近海, 在河口与半咸淡水泻湖中; 极少在淡水。 栖息于在悬崖附近的沙子，贝壳与岩石了; 在 20-60 公尺在夏天, 有时深达 100 公尺。 主要吃鱼。 (参考文献 4696) 为春天产卵接近海岸。 (参考文献 2058)
生命周期和交配行为 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
歐洲: 黑海 , 與亞速海。
主要参考文献
上传您的参考资料 | 参考文献 | 合作者 | 合作者
Miller, P.J., 1986. Gobiidae. p. 1019-1085. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the North-eastern Atlantic and the Mediterranean. Volume 3. UNESCO, Paris. (Ref. 4696)
CITES
Not Evaluated
对人类的威胁
无害处的
人类利用
FAO - Publication: search | FishSource | 周边海洋
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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 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.01096 (0.00647 - 0.01859), b=2.94 (2.79 - 3.09), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
|
营养阶层 (参考文献 69278) |
4.2 ±0.73 se; based on food items. |
| Generation time | 4.4 ( 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 (tmax=8; tm=3;). |
|
渔业脆弱性 (Ref. 59153) |
Low to moderate vulnerability (33 of 100). 🛈 |
|
营养素 (Ref. 124155) |
Calcium = 42.9 [25.9, 101.7] mg/100g; Iron = 0.405 [0.209, 0.760] mg/100g; Protein = 18.6 [16.7, 20.2] %; Omega3 = 0.688 [0.324, 1.287] g/100g; Selenium = 10.6 [5.0, 23.0] μg/100g; VitaminA = 22.5 [6.8, 73.4] μg/100g; Zinc = 0.557 [0.392, 0.816] mg/100g (wet weight); |