Native Fish

The Ovens River in north-eastern Victoria is home to two large-bodied native freshwater predators: Murray cod and Trout cod. These iconic fish are top order piscivores (carnivorous animals that primarily feed on fish), helping to regulate the structure and functioning of their aquatic environments. While threatened Murray cod are highly sought after by anglers, the
Flat-head galaxias (Galaxias rostratus) is one of the ‘magnificent six’ native threatened floodplain specialist fish. It’s in dire trouble in the Southern Murray-Darling Basin, having almost declined out of sight. The species were historically widespread and abundant throughout the Murray River Corridor but are now nowhere to be seen in NSW or South Australia, and
In the summer of 2018-19, after two years of low flows in the lower Darling Baaka River in western New South Wales, a series of three mass fish kills occurred near Menindee, resulting in the deaths of millions of native fish. The size of the fish kills was unprecedented, with millions of native Bony herring
The native Gaygay (Freshwater catfish - Tandanus tandanus) was once common across the lower Gwydir, but in recent decades, numbers have declined significantly and the species is now considered ‘rare’ in most areas. In 2015, during the Gwydir Long Term Intervention Monitoring (LTIM) sampling, only one gaygay was captured, and no gaygay were detected subsequently
The establishment of the Koondrook Weir, located in the mid-Murray River system, has limited the movement between Gunbower Creek and the Murray River for vulnerable and threatened fish species such as the Murray cod and the Golden perch. This lack of fish movement has also stunted potential developments in recreational fishing tourism for the area. 
The Mid-Murray Floodplains along the New South Wales and Victorian border are home to some of the highest diversities of native fish species within the Murray-Darling Basin. Threatened and recreationally important species, like the Murray cod, golden perch, trout cod and silver perch, as well as wetland-specialist species, once thrived in the region’s interconnecting rivers,