Boa amethystina; Print; The amethystine python (Simalia amethistina); also known as the scrub python or sanca permata locally; is a species of nonvenomous snake in the family Pythonidae. The species is found in Indonesia; Papua New Guinea; and Australia. Popular among reptile enthusiasts; and noted for its coloration and size; it is one of the six largest snakes in the world; as measured either by length or weight; and is the largest native snake in Australia and Papua New Guinea.; head