IUCN threat status:

Least Concern (LC)

Distribution

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Range Description

It is widely known from the Ganges-Brahmaputra systems (India (Uttar Pradesh, Assam, Manipur, Madhya Pradesh, Bihar, West Bengal and Arunachal Pradesh), and from Myanmar, Thailand, Laos, Cambodia, Indonesia (Java), Malaysia and Nepal. It should also be looked for in Bangladesh.

This species is widely distributed across southeast Asia from the Ganges region in India to the island of Sumatra (Kohler and Glaubrecht 2001). The occurrence of this species is conceived to range from North East India (Ganges, Assam, Manipur, Meghalaya, Mizoram, Skiim, West-Bengal), Bangladesh, Burma, Thailand, Cambodia and Viet Nam to the Malaysian Peninsula (abundant in the Pahang River system) and Sumatra. It has been reported from the Mekong where it is the only cerithiodean species found (Brandt 1974: Davis 1982 in Kohler and Glaubrect 2001).

Kohler and Glaubrect (2001) found specimens from museum collections confirming that this species is found in lakes on Sumatra, such as Lake Toba, Lake Maninjau, Lake Singkarah, and Lake Ranau.

Kohler and Glaubrect (2001) considered reports from Sri Lanka (Annandale, 1920), Java (Rensch, 1934; Benthem Jutting, 1956) and Borneo (Brandt 1974) as dubious due to confusion with other species.

More research or clarification is needed on the area of Bangladesh that this species is distributed, as there are 230 small and large rivers in Bangladesh (Reuters 2009).

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Source: IUCN

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