Amazon: Super River. The Amazon is the world's largest river system. From its source in the Andes to its mouth at the Atlantic, it supports 3,000 species offish, including some that breathe air, others thatjump to elude predators - plus the flesh-eating piranha. John Simm narrates. Executive producer Michael Bright: Senes editor Michael Gunton BBC WILDLIFE MAGAZINE: monthly, £2.80