Alasmidonta arcula

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

View Printer Friendly

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	MOLLUSCA	BIVALVIA	UNIONOIDA	UNIONIDAE

Scientific Name:

Alasmidonta arcula

Species Authority:

Lea, 1838

Common Name/s:

English

–

Altamaha Arcmussel, Altamaha Arc-Mussel

Assessment Information [top]

Red List Category & Criteria:

Endangered B1+2c ver 2.3

Year Published:

2000

Assessor/s:

Bogan, A.E. & Seddon, M.B. (Mollusc Specialist Group)

Reviewer/s:

Seddon, M.B. (Mollusc Red List Authority)

Justification:
This species occupies a river system of less than 500 km in length. Habitat is being lost or is deteriorating due to agricultural activities and pollution.

History:

1996	–	Not Evaluated
1994	–	Indeterminate (Groombridge 1994)
1990	–	Indeterminate (IUCN 1990)
1988	–	Indeterminate (IUCN Conservation Monitoring Centre 1988)
1986	–	Indeterminate (IUCN Conservation Monitoring Centre 1986)

Geographic Range [top]

Range Description:	Known from one river system in Georgia where it occurs on three tributaries: Ocamulgee (two sites); Altamaha (three sites); and Ohoopee (one site).
Countries:	Native: United States (Georgia)
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population Trend:	Unknown

Population Trend:

Unknown

Habitat and Ecology [top]

Habitat and Ecology:	This mollusc is found in sandy mud below sand bars in sluggish water.
Systems:	Freshwater

Threats [top]

Major Threat(s):	This species is under threat from loss of habitat and deterioration in water quality. There is a potential impact from Corbicula, present in the streams, but the effects are unknown. There is less than 500 km length of river system and adjacent land is being cleared for agriculture.

Major Threat(s):

This species is under threat from loss of habitat and deterioration in water quality. There is a potential impact from Corbicula, present in the streams, but the effects are unknown. There is less than 500 km length of river system and adjacent land is being cleared for agriculture.

Citation:	Bogan, A.E. & Seddon, M.B. 2000. Alasmidonta arcula. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 25 May 2012.
Disclaimer:	To make use of this information, please check the <Terms of Use>.
Feedback:	If you see any errors or have any questions or suggestions on what is shown on this page, please fill in the feedback form so that we can correct or extend the information provided