|Scientific Name:||Macrognathus siamensis|
|Species Authority:||(Günther, 1861)|
Rhynchobdella aculeata subspecies siamensis Günther 1861
|Red List Category & Criteria:||Least Concern ver 3.1|
|Reviewer/s:||Allen, D. & Smith, K.|
The species is locally and seasonally common throughout its range. Whilst threats include overfishing and pollution in general, they are not considered significant, therefore this fish is assessed as Least Concern.
|Range Description:||Widely distributed throughout mainland Southeast Asia, from the Mae Khlong and Chao Phraya drainages in Thailand (Vidthayanon et al. 1997) to the Mekong basin and Peninsular Thailand (Kottelat 2001). In Cambodia, distribution includes the Tonle Sap Lake and River (Lim et al. 1999). In Lao PDR, recorded from the Mekong basin and the middle Xe Bangfai (Kottelat 2001) and presumably other tributaries.|
Native:Cambodia; Lao People's Democratic Republic; Thailand; Viet Nam
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||Common throughout its range.|
|Habitat and Ecology:||Inhabits marshlands and vegetated water bodies, localized movement from still to flowing waters.|
|Major Threat(s):||Pollution and wetland conversion are threats to this fish in general, but level is not significant to species survival.|
|Conservation Actions:||None required.|
IUCN. 2012. IUCN Red List of Threatened Species (ver. 2012.1). Available at: http://www.iucnredlist.org. (Accessed: 19 June 2012).
Kottelat, M. 2001. Fishes of Laos. WHT Publications Ltd, Colombo 5, Sri Lanka.
Lim, P., Lek, S., Touch, S.T., Mao, S.-O. and Chhouk, B. 1999. Diversity and spatial distribution of freshwater fish in Great Lake and Tonle Sap river (Cambodia, Southeast Asia). Aquatic Living Resources 12(6): 379-386.
Vidthayanon, C., Karnasuta, J. and Nabhitabhata, J. 1997. Diversity of freshwater fishes in Thailand. Office of Environmental Policy and Planning, Bangkok, Thailand.
|Citation:||Vidthayanon, C. 2012. Macrognathus siamensis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 11 December 2013.|
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