Crab-eating macaque crab-eating macaque is a known invasive species and a threat to biodiversity in several locations, including Hong Kong and western New Guinea. The significant overlap in macaque and human living space has resulted in greater habitat loss, synanthropic living, and inter- and intraspecies conflicts over resources. "Macaca" comes from the Portuguese word "macaco", which was derived from "makaku", a Fiot (West African language) word ("kaku" means monkey in Fiot). The specific epithet "fascicularis" is Latin for a small band or stripe. Sir Thomas Raffles, who gave the animal its scientific name in 1821, did not specify what he meant by
White-cheeked macaque the animals caught on tape (including more prominent whiskers, thicker neck hair, and differences in the shape of the genitalia), primatologists in China declared them to be a new species. Their research, along with a series of photographs of the species, was published in the July 2015 issue of the "American Journal of Primatology". In April 2016, a group of wildlife photographers and biologists spotted and photographed the white-cheeked macaque in Arunachal Pradesh, India. Prior to this sighting, the species was thought to exist only in Tibet. Physiologically, the white-cheeked macaque is similar to the other members of the genus