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Golden perch
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Macquaria ambigua
Golden perch |
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| Macquaria ambigua (Richardson, 1845) | ||||
| Famille: | Percichthyidae () |
picture (Maamb_u0.jpg) by Yau, B. Carte par point | | ||
| Ordre: | Perciformes (Perches) | |||
| Classe: | Actinoptérygiens (poissons à nageoires rayonnées) | |||
| Nom FishBase: | Golden perch | |||
| Taille max.: | 76.0 cm SL (mâle / non sexé; Ref. 44894); poids max. publié: 24.0 kg (Ref. 6390); âge max. reporté: 20 années | |||
| Environnement: | démersal; potamodrome (Ref. 51243); Eau douce; profondeur 10 – ? m | |||
| Climat: | subtropical; 10 – 30°C; 19°S - 38°S | |||
| Importance: | pêcheries: commercial; Aquaculture: commercial; pêche sportive: oui; price category: not marketed/unknown | |||
| Résilience: | Faible, temps minimum de doublement de population : 4,5 à 14 années (tm=2-5; tmax=20) | |||
| Vulnerability: | High to very high vulnerability (67.84). (Ref. 59153) | |||
| Traduction: | See machine translation of the following fields (Distribution, Morphologie, Biologie) by ECMT. | |||
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Distribution:
Gazetteer |
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. | |||
| Biologie: | 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). Prefers warm, slow-moving, turbid sections of streams. Also occurs in flooded lakes, backwaters and impoundments. Tolerant of temperatures between 4° and 35°C and high salinity levels (up to 35 p.p.t.). A 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). Spawns 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). | |||
| Statut dans la Liste Rouge: | (Ref. 57073) | |||
| Dangereux: | inoffensif | |||
| Coordinateur: | Arratia, Gloria | |||
| Réf. Princ.: | Allen, G.R.. 1989. (Ref. 5259) | |||
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