Also known as Sea Bass, Rockcods, Cods, Hinds, Trouts, Masked Rockcod, Window Grouper, Window Rockcod, White-square Cod, White-square Grouper, White-square Rockcod, Slenderspine Grouper, Slenderspine Rockcod, Thinspine Grouper, Thinspine Rockcod, White-margined Grouper, White-margined Rockcod and Chestnut Grouper.
Found singly hovering in mid-water on steep outer reefs.
Adults dull colour with white square hence (Window Grouper)
Juveniles brightly coloured with red margins resembling basslets.
They feed on small fish and invertebrates.
Length - 45cm
Depth - 6-70m
Groupers are solitary carnivores that hunt near the bottom usually at dusk. Food is drawn into their mouths by a powerful suction when they open their overly large mouths and then swallowed whole.
Spawning is seasonal and controlled by the moons phase.