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Neogobius melanostomus  (Pallas, 1814)

Round goby
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Neogobius melanostomus   AquaMaps   Data sources: GBIF OBIS
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分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

条鰭類 > Perciformes (Perch-likes) > Gobiidae (Gobies) > Gobiinae
Etymology: Neogobius: Greek, neos = new + Latin, gobius = gudgeon (Ref. 45335).

環境 / 気候 / 範囲 生態学

; 海; 新鮮な水; 汽水性の 底生の; 両側回遊性 (Ref. 46888); 深さの範囲 0 - 30 m (Ref. 36771).   Temperate; 4°C - 20°C (Ref. 2059), preferred ?; 60°N - 36°N, 18°E - 58°E

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Europe and Asia: Sea of Azov, Black Sea and Caspian basins. Adverse ecological impact after introduction have been reported by several countries. In 2004, this was accidentally introduced in North America with ballast water in ships (Ref. 59043).

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm ?, range 4 - ? cm
Max length : 24.6 cm TL オス/雌雄の選別がない; (Ref. 36771); 最大記録サイズ: 6 年 (Ref. 110985)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 7 - 8; 背鰭 (合計): 12-17; 肛門の骨 1; 臀鰭: 9 - 14; 脊つい: 31 - 34. This species is distinguished from its congeners entering freshwater in Europe by the following characters: first branched ray of second dorsal about as long as penultimate ray; no scales on midline of nape, in front of preoperculum; pelvic-disc fraenum with small rounded lobes and the length is less than 1/6 of width at base; scales in midlateral series 45-54 + 2-3; a large black spot on the posterior part of first dorsal (Ref. 59043).

生物学     用語集 (例 epibenthic)

Prefer shallow, brackish waters but also occur in fresh waters (Ref. 36771); in lagoons and lakes, large rivers, harbors, on sand or rock bottom; mostly found on well vegetated or rock bottom (Ref. 59043). Can tolerate a temperature range of 0 to 30°C, but mainly thrive in warm temperate waters; able to tolerate low oxygen content waters for several days (Ref. 36771). Oviparous, with demersal eggs (Ref. 36771). Longevity up to 4 years. Males reproduce for the first time at 3-4 years, females at 2-3 years. Spawning season in April to September; females may repeat spawning during a season, every 18-20 days; body of males entirely black during this season. Adhesive eggs deposited on stones, shells and aquatic plants; males guard eggs until hatching and usually die after spawning season. Egg clutches are supposed to be occasionally transported attached to the hull of ships, facilitating introduction to other areas. Feeds on a wide variety of invertebrates and small fish, mostly on molluscs (Ref. 59043). Due to its large size, it has a major commercial value in some areas, especially in Azov Sea. It is usually salted, dried and consumed with beer (Ref. 92840).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Males protect embryos and juveniles (Ref. 36771). Males die after the spawning season (Ref. 36771).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Kottelat, M., 1997. European freshwater fishes. Biologia 52, Suppl. 5:1-271. (Ref. 13696)

IUCNのレッドリストの状況は (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

人間に対する脅威

  Potential pest




Human uses

水産業: 商業; 水族館・水槽: 商業; 餌: occasionally
FAO(Publication : search) | FisheriesWiki | 私達の周りの海

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