Although it it used to be that covered tons of the tropical South Pacific and Indian Oceans, remaining populations come greatly reduced. Groups of 10,000 or even thomas more come present on the Great Barrier Reef of Australia, at Shark Bay, and in Torres Strait south of New Guinea. Prior to 1970, it is thought that big populations were besides present around Mozambique and coastal Kenya, but these keep around dwindled. Palau also has a little people. In January 22, 2003, after Lxx years, an personal was detected (weight 300 kilogram, length Ii m) off a coast of Tanzania.