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Description |
Geographic Range [top]
Range Description: The species is known from coastal areas in the Indian and western Pacific ocean (Brandt 1974), with a wide distribution in south and southeast Asia. It is reported from several locations in coastal areas of Bangladesh and India (Andhra Pradesh, Kerala, Maharashtra, Orissa, and West Bengal), and from China (Hong Kong, Hainan Island (Liu et al. 1979), and is probably present in other southern provinces), Taiwan (Province of China), southern and eastern Thailand (Samut Prakan, Chachoengsao, Rayong, Chanthaburi, Trat, Chon Buri, Nakhon Si Thammarat, and Phang Nga provinces; Sri-aroon et al. 2004), Malaysia (Peninsular; Way and Purchon 1981), Indonesia (Sumatra; M. Seddon pers. comm. 2010), Philippines, Singapore (Tan and Woo 2010), Taiwan, Japan (Ryukyu islands) and Australia (origin uncertain). The species is likely to have a larger unreported distribution within this range, including Oceania, and there are records from Guam (Department of Agriculture 2006) and Papua New Guinea (Gerbera and Schechterb 2011).
There are no recent occurrence records of the species from eastern and northeastern areas of India, Myanmar, or Bangladesh, but due to its wide geographical distribution range from south India to China and limited survey effort, it can be inferred to be present within suitable habitat within these countries, and in suitable habitat in Cambodia and Viet Nam. In Thailand, the species is found in almost all estuaries of large and small rivers (Brandt 1974).
Countries occurrence:
Native:
Bangladesh; China; Guam; Hong Kong; India (Andhra Pradesh, Karnataka, Kerala, Maharashtra, Tamil Nadu, West Bengal); Indonesia (Sumatera); Japan; Malaysia (Peninsular Malaysia); Myanmar (Myanmar (mainland)); Philippines; Singapore; Taiwan, Province of China (Taiwan, Province of China (main island)); Thailand
Present - origin uncertain:
Australia
FAO Marine Fishing Areas:
Native:
Indian Ocean – eastern; Pacific – northwest; Pacific – western central
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population:
There is no information on the population and its trends for this species.
Current Population Trend: Unknown
Additional data:
Habitat and Ecology [top]
Habitat and Ecology: It inhabits the lower (tidal) parts of freshwater and brackish rivers and streams, estuaries and mangrove habitats. Also found in ponds, rice paddies and ditches.
Systems: Freshwater; Marine
Movement patterns: Not a Migrant
Use and Trade [top]
Use and Trade:
This species is used as food for fish, and was also reported as the intermediate host of Paramonostomus philippnensis Velasquez.
Threats [top]
Major Threat(s):
The loss of coastal habitat may impact the species. Water pollution may also be a threat to the freshwater snails of the Indo-Burma-Region (Temcharoen 1992).
Conservation Actions [top]
Conservation Actions:
None required.
Citation: Budha, P.B. & Richter, K. 2012. Sermyla riqueti. The IUCN Red List of Threatened Species 2012: e.T166263A1381686. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T166263A1381686.en. Downloaded on 09 January 2017.
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