Procambarus angustatus

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	ARTHROPODA	CRUSTACEA	DECAPODA	CAMBARIDAE

Scientific Name:

Procambarus angustatus

Species Authority:

(LeConte, 1856)

Common Name/s:

English

–

Sandhills Crayfish

Assessment Information [top]

Red List Category & Criteria:

Extinct ver 3.1

Year Published:

2010

Assessor/s:

Thoma, R.F., Cordeiro, J. & Jones, T.

Reviewer/s:

Collen, B. & Richman, N.

Contributor/s:

Soulsby, A.-M., Batchelor, A., Dyer, E., Whitton, F., Livingston, F., Milligan, HT, Smith, J., Lutz, M.L., De Silva, R., McGuinness, S., Kasthala, G., Jopling, B., Sullivan, K. & Cryer, G.

Justification:

Procambarus angustatus has been assessed as Extinct. This species is only known from a single specimen collected from a vaguely described type locality in Georgia. Despite thorough searches of this site and throughout its known range and habitat this species has not been found since, it is therefore considered globally extinct.

History:

1996

–

Critically Endangered (Baillie and Groombridge 1996)

Geographic Range [top]

Range Description:	This species was known historically only from a single type specimen from an extremely vague type locality in Georgia, USA (Hobbs 1958). "It lives in lesser Georgia, in the rivulets of pure water which flow between little sand hills" (LeConte 1856). Hobbs (1981) notes it was known only from streams in the Sand Hills of southern Georgia. It is considered globally extinct.
Countries:	Regionally extinct: United States (Georgia)
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	This species is known from one specimen (Hobbs 1958), collected at a vaguely described type locality and hasn't been found since: Despite 30 years of attempted collecting Hobbs (1981) reported conducting thorough searches for the species throughout its known range and areas of known habitat and failed to find it.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	There is no information on the habitat or ecology of this species.
Systems:	Freshwater

Threats [top]

Major Threat(s):	There is no threat information available; this species is considered Extinct.

Major Threat(s):

There is no threat information available; this species is considered Extinct.

Conservation Actions [top]

Conservation Actions:	This species has been given the heritage rank of GX by NatureServe and Endangered (possibly extinct) by the American Fisheries Society (Taylor et al. 2007, NatureServe 2009).

Conservation Actions:

This species has been given the heritage rank of GX by NatureServe and Endangered (possibly extinct) by the American Fisheries Society (Taylor et al. 2007, NatureServe 2009).

Citation:	Thoma, R.F., Cordeiro, J. & Jones, T. 2010. Procambarus angustatus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 24 May 2012.
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