Australia : Authorities are still searching for the man 's remains . His location and identity are not immediately known . The body is believed to have been eaten by a great white . The stretch off Western Australia 's southern coast is one of the deadliest for shark attacks .
NEW : Authorities are still searching for the victim 's remains . His age and identity are not immediately released . The surfer is believed to have been taken by a great white . The stretch off Western Australia 's southern coast is one of the deadliest for shark attacks .