As oceans empty, Kenya fishermen must adapt or disappear

Former fishermen and current student to become a marine ecosystem rangers takes note on a pad after snorkelling to observe the health of the coral reef in the Indian ocean's channel off Pate island at the Lamu archipelago, on Kenya's coast. -AFP filepic

PATE ISLAND, KENYA: Ahmed Ali Mohamed snorkels over sea grass and coral, keeping an eye out for different fish species darting through the waters below him.

But his job is not to catch the fish -- as his family has done for generations -- instead he only counts them.