T. N. Gill, 1863
J. Richardson, 1843
Red = eastern blue groper
Dark blue = western blue groper
The thick-bodied blue gropers have peg teeth, heavy scales, large tails and thick lips. Juveniles are brown to green brown. Adult females are brown to greenish-yellow. Each scale may have a darker red spot. The adult males have the bright blue colouring that give the fish their name. The blue can range from deep navy to cobalt blue, and there may also be darker or yellow-orange spots or lines around the eyes.
All blue gropers begin life as females. As they mature, they go through an initial phase, in which they may be male or female, before developing their adult colouring and reaching the terminal phase.
The fish live in a variety of coastal waters, especially exposed reefs.
The currently recognized species in this genus are:
- Achoerodus gouldii (J. Richardson, 1843) (western blue groper)
- Achoerodus viridis (Steindachner, 1866) (eastern blue groper)
- "Eastern Blue Groper". Fishes. Australian Museum. Retrieved 11 November 2006.
- "Blue Groper". Sportsfish Australia. Retrieved 11 November 2006.
- "Eastern Blue Groper". Fish'n'kids. New South Wales Department of Primary Industries. Archived from the original on 17 October 2006. Retrieved 11 November 2006.
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