The record for the fastest time in which any known marine animal has been tracked completing a return migration across an entire ocean, is nine months and belongs to a great white shark that swam approximately 20,000 km (12,400 miles). On 7 November 2003, a team of researchers led by Dr Ramón Bonfil from the Wildlife Conservation Society (USA) electronically-tagged four sharks in South Africa, one of whom was nick-named Nicole (after the Australian actress and shark-lover, Nicole Kidman). In August 2004, Nicole was identified
Continue reading →