Niviventer mekongis
Rare visitor: recorded only occasionally in this country
Range
Vietnam, Laos and southern Yunnan and Guangxi (China); recorded at Cuc Phuong National Park, Ninh Binh
The Mekong white-bellied rat, Niviventer mekongis, was described from the Mekong River area of Laos. It was split from the South China white-bellied rat and is recorded from Vietnam, Laos and southern China. In Vietnam, a specimen has been photographed at Cuc Phuong National Park in Ninh Binh province (Mammal Diversity Database).
No description, habitat or diet information was found in the sources used, so this is a short entry.