Australian bass (Macquaria novemaculeata) are closely related and very similar in appearance to estuary perch (Macquaria colonorum). The estuarine perch, however, tends to stay in the estuarine reaches and … 展开

Australian bass have a moderately deep, elongated body that is laterally compressed. They have a forked caudal ("tail") fin and angular anal and soft dorsal fins. Their spiny dorsal fin is relatively high, strong and sharp. They have a medium-sized mouth and … 展开

In the freshwater reaches of coastal rivers in the warmer months, Australian bass require reasonable quality, unsilted habitats with adequate native riparian vegetation and in-stream … 展开

For reasons that are not clear, Australian bass are extremely slow growing. Australian bass continue the trend present in the larger native fish species of SE Australia of being very long-lived. Longevity is a survival strategy to ensure that most adults … 展开

Australian bass are found in coastal rivers and streams from Wilsons Promontory in Victoria east and north along the eastern seaboard to the rivers and creeks of the Bundaberg region in central Queensland.
Australian bass are not found in the Murray-Darling system 展开

Common items in the diet of Australian bass are:
• terrestrial insects, particularly cicadas
• aquatic macroinvertebrates, particularly Trichoptera (caddisfly) … 展开

As with other Macquaria species, there is sexual dimorphism in Australian bass. Males tend to have an absolute maximum size of 1.0 kg or less, … 展开