Golden perch Macquaria ambigua are flexible spawners in the Darling River, Australia

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Title Golden perch Macquaria ambigua are flexible spawners in the Darling River, Australia
Author Ebner, Brendan Craig; Scholz, O.; Gawne, B.
Journal Name New Zealand Journal of Marine and Freshwater Research
Editor Katrin Berkenbusch
Year Published 2009
Place of publication New Zealand
Publisher Taylor & Francis
Abstract The role of flow and floodplains for the recruitment of fishes in the Murray-Darling Basin, Australia, remains a contentious issue. In this context, the reproductive ecology of golden perch Macquaria ambigua, a widespread, high-profile angling species with a propensity to produce large numbers of semi-pelagic eggs remains to be resolved. Back-calculation of spawning dates from otoliths of juvenile golden perch (Macquaria ambigua) collected in August and November 1997 from the Menindee Lakes on the floodplain of the Darling River, in western New South Wales, Australia, advances understanding of spawning of this species in three ways: (1) golden perch spawned at lower temperatures (≤18.8°C) than has previously been reported from the Murray-Darling Basin; (2) golden perch in the Menindee Lakes can be derived from spawning in all seasons of the year in contrast to what is apparent in more southerly locations of the Murray-Darling Basin; and (3) spawning can occur in the absence of floods.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1080/00288330909510023
Volume 43
Issue Number 2
Page from 571
Page to 578
ISSN 0028-8330
Date Accessioned 2009-07-20
Language en_AU
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Freshwater Ecology
URI http://hdl.handle.net/10072/33947
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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