Australia's complex waterways provide a competitive and deadly battleground for a variety of wetland killers, including tiger snakes, archer fish, portia spiders, cane toads, tiger leeches, platypus, and saltwater crocodiles, to name but a few.
The secret lives of Australia's most notorious killers, including the world's most venomous snakes, deadly jellyfish, monster crocs and venom-laden spiders.