Despite its gargantuan size, but also because of it, the giant catfish lives a tenuous existence in the murky waters of its native river, Southeast Asia’s Mekong, where its numbers have ...

Sue Perkins embarks on a life-changing, 3,000-mile journey up the Mekong, South East Asia's greatest river, exploring lives and landscapes on the point of dramatic change.

It’s not yet dawn when I slip into a skiff on Tonlé Sap, Cambodia’s largest lake, heading for the early-bird spectacle. We’re boating over to Prek Toal, a swamp forest and sanctuary for ...