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All freshwater and estuarine fish in Queensland are considered wetland indicators. Some fish are residents (e.g. rainbowfish and grunters) while others migrate, moving upstream and downstream to breed in response to seasons or flood events (e.g. Australian bass and silver perch). Not only are bony fish present in wetlands, but a few sharks, sawfish and rays also live in both fresh and brackish conditions.

Fish wetland indicator species and profiles

Fish in drain, Photo by Chris Sanderson

Quick facts

400 million years
is the age of the oldest lungfish fossil found in Australia[1].
80 years
old is the age of the oldest known lungfish in captivity[2].

To find out more about species in your area visit WetlandSummary.

For specific information on wetland species sightings visit WetlandMaps or Wildlife Online.

Additional information

Pages under this section


  1. ^ Kellett, M, 'The Fossil Fish of Burrinjuck', Australian Heritage, Australian Heritage, viewed 07/12 2012, <>.
  2. ^ McGrouther, M 9 July 2011, Australian Lungfish, Neoceratodus forsteri (Krefft, 1870), Australian Museum, viewed 07/12 2012, <>.

Last updated: 22 March 2013

This page should be cited as:

Fish, WetlandInfo, Department of Environment and Science, Queensland, viewed 14 December 2018, <>.

Queensland Government
WetlandInfo   —   Department of Environment and Science