As appointed by the IUCN Red List, this species is endangered, and mainly due to the destruction of their habitat and pet trade.
Like all gibbons, it lives in monogamous pairs in a strictly enforced territory, which is defended with vigorous visual displays and songs.
[5] The diet of the agile gibbon is generally frugivorous but have also been observed eating leaves, flowers, and insects.
When fully mature, at about 8 years, it leaves its family group in order to look for a mate.
[5] The agile gibbon is found on Sumatra southeast of Lake Toba and the Singkil River, in a small area on the Malay Peninsula, and south Thailand near the Malaysian border.