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Macquaria ambigua  (Richardson, 1845)

Golden perch
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Image of Macquaria ambigua (Golden perch)
Macquaria ambigua
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 辐鳍鱼纲 (条鳍鱼) > Perciformes (Perch-likes) > Percichthyidae (Temperate perches)

环境 / 气候 / 范围 生态学

; 淡水 居于水底的; 河川洄游 (Ref. 51243); 深度上下限 10 - ? m (Ref. 27439).    10°C - 30°C (Ref. 2060), preferred ?; 19°S - 38°S

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Oceania: Australia, Murray-Darling system (except in higher tributaries), Dawson-Fitzroy system of southeastern Queensland. Also in Lake Eyre and Bulloo River drainages and floodplain lakes of Western Victoria and New South Wales. Widely introduced to other coastal systems of Queensland and New South Wales.

Length at first maturity / 大小 / 重量 / 年龄

Maturity: Lm ?, range 40 - 50 cm
Max length : 76.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 44894); common length : 45.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 5259); 最大体重: 24.0 kg (Ref. 6390); 最大年龄: 20 年 (Ref. 6390)

生物学特性     字汇 (例如 epibenthic)

Golden perch live throughout the river systems, from the clear, fast flowing upper reaches to the turbid, slow flowing lower reaches and associated billabongs and backwaters. They favor deep pools with plenty of cover from fallen timber, rocky ledges or undercut banks (Ref. 27439, 44894). Prefer warm, slow-moving, turbid sections of streams. Also occur in flooded lakes, backwaters and impoundments. Tolerant of temperatures between 4° and 35°C and high salinity levels (up to 35 p.p.t.). Solitary species (Ref. 44894). Their diet is dominated by yabbies (Cherax destructor), and a variety of fish species (Ref. 27439). Juveniles disperse throughout the floodplain to find food and cover (Ref. 27440). They feed on abundant zooplankton on recently inundated floodplains (Ref. 6390, 44894). Adults feed on fishes, mollusks and crayfish (Ref. 44894). Spawn from early spring to late autumn. Golden perch is Australia's most migratory freshwater fish species (Ref. 6390). Spawn in flooded backwaters near the surface at night after heavy spring and summer rains. Usually a long upstream spawning migration is undertaken (movements of 2000 kilometers by tagged fish have been documented). Eggs float near the surface and hatch in 24-36 hours. Males mature after 2-3 years (20-30 centimeters), females after 4 years (40 centimeters) (Ref. 44894). They are being reared by private and government hatcheries in Victoria, New South Wales and Queensland (Ref. 27552) and the fry and fingerlings produced from these hatcheries are stocked in public waters and farm dams (Ref. 26869).

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

Under favourable conditions female golden perch are capable of spawning more than once a season (Ref. 27439). However, without suitable environmental cues they may fail to breed in season, with the eggs being resorbed (Ref. 27439). Spawning period is from early spring to late autumn (Ref. 6390). They commonly spawn at night (Ref. 6390).

主要参考文献 Upload your references | 参考文献 | 合作者 : Arratia, Gloria | 合作者

Allen, G.R., 1989. Freshwater fishes of Australia. T.F.H. Publications, Inc., Neptune City, New Jersey. (Ref. 5259)

世界自然保护联盟红皮书 (Ref. 115185)

  不评价 

CITES (Ref. 94142)

Not Evaluated

对人类的威胁

 




人类利用

渔业: 商业性; 养殖: 商业性; 游钓鱼种: 是的
FAO(养殖: 产生; ; publication : search) | FisheriesWiki | 周边海洋

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