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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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Actinopterygii 輻鰭魚綱 (條鰭魚) > Perciformes (Perch-likes) > Gobiidae (Gobies) > Gobiinae
Etymology: Neogobius: Greek, neos = new + Latin, gobius = gudgeon (Ref. 45335).

環境 / 氣候 / 範圍 生態學

; 海洋; 淡水; 半鹹淡水 居於水底的; 非產卵性溯降河的 (Ref. 46888); 深度上下限 0 - 30 m (Ref. 36771).    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 / 大小 / 重量 / 年齡

Maturity: Lm ?, range 4 - ? cm
Max length : 24.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 36771); 最大年齡: 6 年 (Ref. 110985)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 7 - 8; 背的軟條 (總數): 12-17; 臀棘 1; 臀鰭軟條: 9 - 14; 脊椎骨: 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).

生物學特性     字彙 (例如 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 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

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

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

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

IUCN 瀕危狀態 (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

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人類使用

漁業: 商業性; 水族館: 商業性; 誘餌: occasionally
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