Add Yahoo as a preferred source to see more of our stories on Google. Snorkler out to spot a whale shark - a sighting that can be planned relatively easily, say guides. ---/Exmouth Dive and ...

A new study has found that the Mekong River’s largest freshwater fish are shrinking in size, with critically endangered species like the giant catfish and giant barb now averaging less than half their ...

The only way to catch one of the oldest and largest fish in the world used to be to take a trip to the Amazon River, but now ...