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Macquaria ambigua  (Richardson, 1845)

Golden perch
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Image of Macquaria ambigua (Golden perch)
Macquaria ambigua
Picture by Yau, B.

التصنيف / Names الأسماء الشائعة | مرادفات | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

شعاعيات الزعانف > Perciformes (Perch-likes) > Percichthyidae (Temperate perches)

البيئة / مناخ / المدى البيئة

; المياه العذبة القاع; سمكة نهرية (Ref. 51243); نطاق العمق 10 - ? m (Ref. 27439).   Temperate; 10°C - 30°C (Ref. 2060), preferred ?; 19°S - 38°S

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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 / الحجم / وزن / العمر

Maturity: Lm ?, range 40 - 50 cm
Max length : 76.0 cm SL ذكر/ مختلط الجنس; (Ref. 44894); common length : 45.0 cm SL ذكر/ مختلط الجنس; (Ref. 5259); أعلا وزن تم نشرة: 24.0 kg (Ref. 6390); العمر: 20 سنين (Ref. 6390)

أحياء     المصطلحات (على سبيل المثال 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 النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae

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).

المرجع الرئيسي Upload your references | مراجع | المنظم : Arratia, Gloria | المتعاونين

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

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

خطر للأنسان

  Harmless




استخدامات بشرية

مصائد: تجاري; الأستزراع المائي: تجاري; لعبة سمكه: نعم
FAO(الأستزراع المائي: الأنتاج; ; publication : search) | FisheriesWiki | البحر حولنا

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