Due to this, reticulated pythons are one of the most economically important reptiles worldwide. In several countries in its range, it is hunted for its skin, for use in traditional medicine, and for sale as pets. It is listed as least concern on the IUCN Red List because of its wide distribution. It is the world's longest snake, and is among the three heaviest. The reticulated python ( Malayopython reticulatus) is a python species native to South and Southeast Asia.