Range
Eastern freshwater cod are native to the Clarence River system in northern New South Wales, Australia. The Clarence River system is an extensive East Coast drainage with many tributaries of differing size. By Australian standards the Clarence River and its major tributaries the Mann and Nymboida Rivers are extremely large rivers with extremely large flow volumes. Eastern freshwater cod originally occurred in great abundance through all of the system, to significant altitudes, though reportedly were never found above the large falls many tributaries feature in their upper reaches.
The indigenous cod population of the Richmond River system (Richmond River Cod), now extinct, are believed to have been a population of eastern freshwater cod. The Richmond River has been restocked with fingerlings produced from Clarence River cod but there is no evidence that they are breeding (Anon, 2004).
Read more about this topic: Eastern Freshwater Cod
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