This large slow swimming fish looks like the true gropers of tropical waters. It has big round paddle fins, peg-like teeth an a green-blue or blue colour. They usually come right up to you to have a look as tend to be very inquisitive. Both the Western and the Eastern Blue Groper occur in South Australia. You can tell them apart by the yellow spots that the Western form has between it's eyes as opposed to the Eastern form having yellow lines around the eyes. They can both grow up to about a meter (3 feet), with maximum lengths of 1.6 meter (5 feet) for the Western Blue Groper.