THE SARDINE RUN
The Sardine Run - a unique and unexplained phenomenon of millions of sardines traveling up the east coast of South Africa occurring from May to July, causing a frenzy of excitement amongst everyone and everything that comes into contact with them.
These small fish migrate from the colder waters of the Cape into the warm sub-tropical waters of the former Transkei (northern Eastern Cape) and KwaZulu-Natal in a northwards direction, coming close to shore in the South Coast area during autumn and winter, moving further offshore in the Durban area and finally, disappearing into the vast blue yonder.
Because of the cold currents along this stretch of coastline and their appetite for plankton, these fish converge close to the shoreline and to the surface, making ideal targets for hungry predators and perfect viewing for snorkellers and scuba divers.
A FEEDING FRENZY
The sardines shoal closely together minimising their chances of being taken by predators. Picture tens of thousands of birds plunging from the sky, feeding on the fish, with larger game fish and numerous species of sharks all feasting on the wealth of food that is available. The numbers and variety of sharks is astounding: Bronze Whalers, Zambezies, Hammerheads, Coppers and Great Whites can be seen by the hundreds. Bottlenose and Common dolphins join in the excitement and employ a hunting strategy that works the shoals into what is referred to as a "baitball". By working together, like sheepdogs in a field of sheep, the dolphins herd the sardines into a tight ball and push them towards the surface. The dolphins then pounce on them, gorging themselves on the tiny fish.
AN UNEXPLAINED PHENOMENON
In South Africa, the main spawning grounds for these fish are off the Southern Cape coast, where the adults gather for a prolonged breeding season through the spring and early summer. Their eggs are simply released into the water, fertilized and left to drift off in the open ocean. The ocean currents carry most of the developing larvae westwards and northwards into the waters of the Atlantic Ocean along the West Coast. Therefore, the migration of large shoals of sardines into the waters of southern KwaZulu-Natal during the winter months, remains an unexplained phenomenon!
This is an event for everyone to enjoy - be it bird watchers, marine-life enthusiasts, amateur or highly experienced divers or snorkellers. Experience the Sardine Run beneath the waves or above. Either way it has been described as one of the greatest marine spectacles on earth.
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