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Mesogobius batrachocephalus (Pallas, 1814)

Knout goby
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Mesogobius batrachocephalus
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Turkey country information

Common names: Knout goby, Kurbağa kayabalığı, Kurbağakayası balığı
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from the Black Sea, Sea of Marmara (questionable according to Ref. 92840), Aegean Sea watersheds, European Black Sea watersheds and Anatolian Black Sea watersheds (Ref. 58342); central coast of Black Sea (Sinop and Samsun vicinity) (Ref. 88083). Threatened by habitat loss, eutrophication/pollution and water abstraction (Ref. 58342). Also Ref. 4696, 106151, 115544. Status of threat: Data deficient (Ref. 58342). EurTurk
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tu.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Fricke, R., M. Bilecenoglu and H.M. Sari, 2007
National Database: CLOMFOT

Common names from other countries

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Mesogobius: Greek,mesos = half + Latin, gobius = gudgeon (Ref. 45335).
  More on author: Pallas.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水; 半鹹淡水 居於水底的; 深度上下限 20 - 100 m (Ref. 4696).    4°C - 18°C (Ref. 2059); 49°N - 40°N, 27°E - 54°E

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Europe and Asia: Black Sea, and Sea of Azov; lower South Bug and freshwater Lake Siut Giol on Romanian coast.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 92840); 最大體重: 600.00 g (Ref. 50519); 最大年齡: 8 年 (Ref. 59043)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 7; 背的軟條 (總數): 16-18; 臀棘 1; 臀鰭軟條: 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).

生物學特性     字彙 (例如 epibenthic)

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).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 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)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 01 January 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

 




人類使用

FAO(Publication : search) | FishSource | 周邊海洋

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網路資源

Aquatic Commons | BHL | Cloffa | Websites from users | 檢查 FishWatcher | CISTI | Catalog of Fishes(, ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(基因組, 核甘) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | 國家資料庫 | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | 樹狀分類階層 | Wikipedia(, 搜尋) | World Records Freshwater Fishing | 動物學的記錄

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00632 - 0.01817), b=2.95 (2.80 - 3.10), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
營養階層 (Ref. 69278):  4.2   ±0.73 se; based on food items.
回復力 (Ref. 120179):  中等的, 族群倍增時間最少 1.4 - 4.4年 (tmax=8; tm=3;).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (33 of 100).