BBC NEWS | Science/Nature | World's biggest fish 'shrinking'

BBC NEWS | Science/Nature | World's biggest fish 'shrinking': "Whale sharks spotted off the coast of Australia are getting smaller, researchers have said.

In a decade the average size recorded by observers has shrunk from 7m to 5m.

Whale sharks, the world's largest fish, are caught for food in some east Asian countries and Australian researchers suspect this is causing a decline."