Fishes show a startling variety of body forms and behaviours. There are approximately 25,000 described species of fishes in the world, with over 4,200 occurring in Australia.

Click on the buttons below for lists of species on the site. You can view species by scientific name, common name or type of fish. Hold the cursor over a button for an example. To search for a particular scientific or common name, enter the details in the "Search the site" box on the left of the screen.

All fish factsheets were compiled by Mark McGrouther unless individually authored.