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Description |
Geographic Range [top]
Range Description: H. obscurus is found along the coasts of eastern India and Myanmar. Also collected in Chittagong, Bangledesh in a river mouth (A. Rasmussen pers. comm. 2009).
In 2002, 25 specimens were collected from a river on the Andaman Sea coast of southern Thailand (L. Chanhome and M. Sumontha pers. comms. 2008).
This species has a restricted range, generally known from shallow brackish lagoons. Records post Smith (1943) suggest that this species is known from brackish lagoons such as Chilika lake in Orissa and the Hoogly river (east coast of India) (Murthy 1988). Validity of the distribution records from this area and other localities need reconfirmation.
Countries occurrence:
Native:
Bangladesh; India; Myanmar; Thailand
FAO Marine Fishing Areas:
Native:
Indian Ocean – eastern
Additional data:
? Lower depth limit (metres): 7
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: There is no known population information for this species.
In Chittagong, Bangledesh, there is a patchy distibution, with potentially large quantities being collected at one time (50 individuals, A. Rasmusssen pers comm. 2009). Murthy and Rama Rao (1988) mentioned that it was the most common sea snake in Chilka Lake in Orissa, India, but he collected no specimens.
In 2002, 25 specimens were collected from a river on the Andaman Sea coast of southern Thailand (L. Chanhome and M. Sumontha, pers. comm. 2008).
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: This species has been reported to occur in brackish waters and around the mouths of rivers (Leviton et al. 2003, Smith 1926).
This species has a restricted range, generally known from shallow brackish lagoons. Records post Smith (1943) suggest that this species is known from brackish lagoons such as Chilika lake in Orissa and the Hoogly river (east coast of India) (Murthy and Rama Rao 1988).
Systems: Freshwater; Marine
Threats [top]
Major Threat(s): There are no known major threats to this species.
This species is apparently caught as bycatch in artisanal fisheries operating within Lake Chilika (A. Lobo pers. comm.).
Conservation Actions [top]
Conservation Actions: There are no conservation measures specific to this species. Its range overlaps with some marine protected areas.
No sea snake species is currently listed by CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora).
Citation: Rasmussen, A. & Lobo, A. 2010. Hydrophis obscurus. The IUCN Red List of Threatened Species 2010: e.T176752A7297560. http://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T176752A7297560.en. Downloaded on 13 July 2016.
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