Satellite tagged great white shark (Carcharodon carcharias), Gansbaai, Klein Bay, Western Cape, South Africa, Africa

Shark scientist monitors live satellite tagged great white shark (Carcharodon carcharias) on computer, Western Cape, South Africa, Africa

Scientists use hydrophone to track tagged great white shark (Carcharodon carcharias) behaviour, Gaansbai, Western Cape, South Africa, Africa

Tourists photographing and filming a fur seal (Arctocephalus pusillus) jumping out of the water, Cape fur seal colony offshore, Gansbaai, Western Cape, South Africa, Africa

Great white shark swims by cage, great white shark cage diving, Marine Dynamics, Dyer Island, South Africa, Africa

Great white shark swims by cage, great white shark cage diving, Marine Dynamics, Dyer Island, South Africa, Africa

Southern right whale (Eubalaena australis) female adult tail in front of Kleinbaai, Western Cape, South Africa, Africa

Scientist uses hydrophone to track tagged great white shark (Carcharodon carcharias) behaviour in real time, Gaansbaai, Western Cape, South Africa, Africa