Fish ID: Grey Nurse Shark

Long thin shark would make a good feature image at south west rocks diving gutters
Family Sand Tiger Shark (ODONTASPIDIDAE)
species Carcharius taurus
size To 3m
locality Close to reefs
behaviour By day, resting, almost stationery
range All around Australia

Called a spotted ragged toothed shark in other parts of the world, describes the GNS perfectly. Fearsome looking, though quite placid.