They have been known to exist since time immemorial along the Arakan coast and in the southern region of Dawei (Tavoy) the Mergui Archipelago and Kawthaung in the Andaman Sea near Thailand.

• 据知它们从远古时代就分布于Arakan沿海和南方Dawei，Mergui群岛和泰国附近的安达曼海Kawthaung地区。