Karenia mikimotoi — is killing more than 200 species of marine life off the southern coast of Australia, scientists and conservation groups say.

Three local men managed to return the distressed animal from a sand bank into deeper water after an almost hour-long rescue effort.

The alarming incident follows a spate of shark attacks that have hit South Australia, including fatal attacks. In January, 28-year-old surfer Lance Appleby was taken by a shark at Granites Beach ...

A school teacher is believed dead after being attacked by a shark in South Australia. Simon Baccanello, 46, is "presumed dead" after going missing at remote Walkers Rock Beach, around 450 miles ...