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The sardine run is a unique and unexplained natural phenomenon of mass migration. The shoals of Sardinops sagax, visible on satellite photographs of earth, can stretch for up to 15km in length, with a width of 3,5km and a depth of 40 metres. Within the shoals the fish pack close together relying on the principle of safety in numbers for their survival. The spectacle of millions of tiny red-eyed fish (also known as pilchards) travelling in a tight shoals into the warm sub-tropical waters of the Indian ocean causes a frenzy amongst all who come into contact with them. The mere presence of so many sardines attracts a frenetic following of predators - birds, dolphins, sharks, whales and game fish - all diving and darting into the shoals in their hundreds.

This in formation is taken from: http://sharondavis.co.za/content/view/59/3/

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16y ago

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