Australia has over 5000 described species of fish, a quarter of which are endemic. Seafood and aquaculture are major and highly regulated industries, and fishing for marine and freshwater native and stoked fish is popular. Australia has over 5000 described species of fish, a quarter of which are endemic. Seafood and aquaculture are major and highly regulated industries, and fishing for marine and freshwater native and stoked fish is popular. For its land-size, Australia has a low diversity of native freshwater fish with only 280 described species. This is largely because Australia is a very dry continent with sporadic rainfall and large areas of desert.