Mekongia crassa

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	MOLLUSCA	GASTROPODA	ARCHITAENIOGLOSSA	VIVIPARIDAE

Scientific Name:	Mekongia crassa
Species Authority:	(Benson, 1836)
Synonym/s:	Bellamya crassa (Benson, 1836) Paludina crassa Benson, 1836 Vivipara crassa Preston, 1915
Taxonomic Notes:	Bellamya crassa (Benson 1836) is treated as Mekongia crassa by Nesemann et al. (2007). Grosse and Fischer (1876) established a subgenus Mekongia for thick-shelled species from the Mekong River basin (Brandt 1974).

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Published:	2010
Assessor/s:	Budha, P.B. & Daniel, B.A.
Reviewer/s:	Dey, A., Madhyastha, A., García, N. & Molur, S.
Contributor/s:	Dutta, J.
Justification: The species is widely distributed in India and Bangladesh and no major threats are known, therefore it is assessed as Least Concern.

Geographic Range [top]

Range Description:	It is found in the Ganges-Brahmaputra river systems of India and Bangladesh, and from other basins in eastern and southern India. In India, it is reported from Sikkim, Andhra Pradesh, Assam, Gujarat, Karnataka, Meghalaya, Orissa, Uttar Pradesh and West Bengal (Nadia) (Ramakrishna and Dey 2007). It's presence in other states within India is likely.
Countries:	Native: Bangladesh; India (Andhra Pradesh, Assam, Gujarat, Karnataka, Meghalaya, Orissa, Uttar Pradesh, West Bengal)
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	This has a wide distribution but population studies are lacking. Population status of this species is not known.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	It is found in mud and silt in shallow waters of streams (Nesemann et al. 2007).
Systems:	Freshwater

Threats [top]

Major Threat(s):	Water pollution and habitat loss are known to be the general threats that affect freshwater molluscs in this region; however, no specific threat has been recorded for this species.

Major Threat(s):

Water pollution and habitat loss are known to be the general threats that affect freshwater molluscs in this region; however, no specific threat has been recorded for this species.

Conservation Actions [top]

Conservation Actions:	Research is needed on species distribution, ecology, use and threats.

Conservation Actions:

Research is needed on species distribution, ecology, use and threats.

Citation:	Budha, P.B. & Daniel, B.A. 2010. Mekongia crassa. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 20 June 2013.
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