Meet the deep-sea viperfish, with its long, fang-like teeth; find out how far the cane toad can shoot its; poison; watch the tongue of a Parson's chameleon snatch its prey in a microsecond, and find out how the midwife toad got its name. Find out where each creature lives in the world, how big they are and what they eat. But most fascinating of all, discover how these creatures' strange appearance actually helps them survive in their habitat.