Fishermen are busy in their fishing boats at Lake Waegitalersee

Fishermen are busy in their fishing boats at Lake Waegitalersee near Innerthal, Switzerland,

A fisherman tries his luck at catching some trout

A fisherman tries his luck at catching some trout in the tranquil setting of the River Coquet near Rothbury, Northumberland

Palestinian fishermen collect fish from nets that they set in the morning

Palestinian fishermen collect fish from nets that they set in the morning

A Kashmiri fisherman casts a net from his boat in Dal Lake

A Kashmiri fisherman casts a net from his boat in Dal Lake

A fisherman tosses his line in the Kern River as a wildfire burns in the background

A fisherman tosses his line in the Kern River as a wildfire burns in the background

A fisherman carries a big fish at Lombolombo beach in Cabinda

A fisherman carries a big fish at Lombolombo beach in Cabinda January 12, 2010.
Credit: REUTERS/Rafael Marchante

A fisherman casts his net near a dam

A fisherman casts his net near a dam in the rain-swollen Niger River in Niamey. Niger's President Mamadou Tandja will hold a controversial referendum Tuesday in a bid to change the constitution and allow him to serve a third term as leader.

Rebecca Blackwell-AP