1. College of Marine and Environmental Science, James Cook University, 14–88 McGregor Road, Smithfield, Qld 4878, Australia.
2. Queensland National Parks, Sport and Racing, PO Box 1293, Ingham, Qld 4850 and the Great Barrier Reef.
3. Galmara, PO Box 29, Cardwell, Qld 4849, Australia.