The sardine run is still poorly understood from an ecological point of view.

In some years there does not appear to be a sardine run.

The recent interest in the sardine run has had significant impact on the local economy.

An example is the attacks that take place during the African sardine run.

The area has fine beaches and is regularly frequented by fishermen, especially during the sardine run.

In 2007, the sardine run didn't take place, and after weeks of fruitless searching, the crew had to give up.

As luck would have it, the sardine run returned for the first time in three years and the team captured the shots they needed.

In 2007, the sardine run didn't happen at all, but their patience was rewarded the following year.

These photographs reveal one of nature's greatest phenomena - the annual sardine run.

This great fish migration is called the sardine run.