The Asian small-clawed otter (Amblonyx cinereus), also known as the Oriental small-clawed otter, is a species of otter native to South and Southeast Asia. Here’s a description of its distribution by country:

1. Bangladesh: Asian small-clawed otters are found in certain regions of Bangladesh, particularly in the Sundarbans mangrove forest and other wetland habitats in the southern and eastern parts of the country.
2. Cambodia: Asian small-clawed otters are native to Cambodia, where they inhabit various freshwater habitats including rivers, streams, lakes, and marshes across the country.
3. China: Asian small-clawed otters are found in certain parts of China, particularly in the southern and southwestern regions of the country, including Yunnan, Guangxi, and Guangdong provinces.
4. India: Asian small-clawed otters are native to India, where they are found in various freshwater habitats across the country, including rivers, lakes, ponds, and marshes. They are particularly common in the northeastern states such as Assam, Arunachal Pradesh, and Meghalaya.
5. Indonesia: Asian small-clawed otters are found in Indonesia, particularly on the islands of Sumatra, Java, and Borneo (Kalimantan), where they inhabit freshwater habitats such as rivers, streams, and swamps.
6. Malaysia: Asian small-clawed otters are native to Malaysia, where they inhabit various habitats including rivers, mangroves, and freshwater swamps in both Peninsular Malaysia and Malaysian Borneo (Sabah and Sarawak).
7. Thailand: Asian small-clawed otters are found in certain regions of Thailand, particularly in freshwater habitats such as rivers, streams, and marshes in the central and northern parts of the country.
8. Vietnam: Asian small-clawed otters are native to Vietnam, where they inhabit various freshwater habitats including rivers, streams, lakes, and wetlands across the country.

Asian small-clawed otters are well-adapted to aquatic environments, with partially webbed feet that give them excellent swimming abilities. They are social animals, living in extended family groups and using vocalizations and scent markings to communicate with each other. Despite their widespread distribution, Asian small-clawed otters face threats from habitat loss, pollution, and hunting, and they are listed as vulnerable by the International Union for Conservation of Nature (IUCN). Conservation efforts are underway to protect remaining populations and their habitats, including the establishment of protected areas and conservation initiatives aimed at reducing human-wildlife conflicts.