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{{Short description|Species of crustacean}}
{{Taxobox
{{Speciesbox
| image = Palaemonias alabamae (10.3897-subtbiol.32.38280) Figure 2.jpg
| name = Alabama cave shrimp
| name = Alabama cave shrimp
| status = EN
| status = EN
| status_system = IUCN3.1
| status_system = IUCN3.1
| status_ref = <ref name="iucn">{{IUCN2013.2| assessors=De Grave, S. & Rogers, C. | year=2013 | id=15887 | title=Palaemonias alabamae | downloaded=17 March 2014}}</ref>
| status_ref = <ref name="iucn status 20 November 2021">{{cite iucn |author=De Grave, S. |author2=Rogers, C. |date=2013 |title=''Palaemonias alabamae'' |volume=2013 |page=e.T15887A788932 |doi=10.2305/IUCN.UK.2013-1.RLTS.T15887A788932.en |access-date=20 November 2021}}</ref>
⚫
| taxon = Palaemonias alabamae
| regnum = [[Animal]]ia
⚫
| authority = ([[Alfred Evans Smalley|Smalley]], 1961)
| phylum = [[Arthropod]]a
| subphylum = [[Crustacean|Crustacea]]
| classis = [[Malacostraca]]
| ordo = [[Decapoda]]
| infraordo = [[Caridea]]
| familia = [[Atyidae]]
| genus = ''[[Palaemonias]]''
| species = '''''P. alabamae'''''
⚫
| binomial = ''Palaemonias alabamae''
⚫
| binomial_authority = ([[Alfred Evans Smalley|Smalley]], 1961)
}}
}}


The '''Alabama cave shrimp''', ''Palaemonias alabamae'', is a [[species]] of [[Caridea|shrimp]] in the [[family (biology)|family]] [[Atyidae]], found only in caves in the state of [[Alabama]].
The '''Alabama cave shrimp''' (''Palaemonias alabamae'') is a [[species]] of [[Caridea|shrimp]] in the [[family (biology)|family]] [[Atyidae]], found only in caves in the state of [[Alabama]].


==Conservation status==
==Conservation status==
''Palaemonias alabamae'' is listed as an [[endangered species]] both on the [[IUCN Red List]],<ref name="iucn"/> and since September 7, 1988 under the U.S. [[Endangered Species Act]].<ref>{{FWS profile |spcode=K01V |name=Alabama cave shrimp |sci=Palaemonias alabamae |date=October 10, 2010}}</ref>
''Palaemonias alabamae'' is listed as an [[endangered species]] both on the [[IUCN Red List]],<ref name="iucn status 20 November 2021" /> and since September 7, 1988, under the U.S. [[Endangered Species Act]].<ref>{{FWS profile |spcode=K01V |name=Alabama cave shrimp |sci=Palaemonias alabamae |date=October 10, 2010}}</ref>


==Distribution==
==Distribution==
The Alabama cave shrimp is only known from five [[cave]]s, all in [[Madison County, Alabama|Madison County]], [[Alabama]].<ref name="FWS">{{cite web |title=Alabama Cave Shrimp (''Palaemonias alabamae''). 5-Year Review: Summary and Evaluation |publisher=[[United States Fish and Wildlife Service]] |author=Jeff Powell |date=August 29, 2006 |accessdate=October 10, 2010 |url=http://www.fws.gov/southeast/5yearReviews/5yearreviews/05-ALS-cave-shrimp-final-5yr.pdf |format=[[Portable Document Format|PDF]]}}</ref> [[Shelta Cave]] is the species' [[type locality (biology)|type locality]], but viable populations have only been confirmed in [[Bobcat Cave]] and the complex comprising Hering Cave, Glover Cave and Brazelton Cave.
The Alabama cave shrimp is only known from five [[cave]]s, all in [[Madison County, Alabama|Madison County]], [[Alabama]].<ref name="FWS">{{cite web |title=Alabama Cave Shrimp (''Palaemonias alabamae''). 5-Year Review: Summary and Evaluation |publisher=[[United States Fish and Wildlife Service]] |author=Jeff Powell |date=August 29, 2006 |access-date=October 10, 2010 |url=http://www.fws.gov/southeast/5yearReviews/5yearreviews/05-ALS-cave-shrimp-final-5yr.pdf }}</ref> [[Shelta Cave]] is the species' [[type locality (biology)|type locality]], but viable populations have only been confirmed in [[Bobcat Cave (Alabama)|Bobcat Cave]] and the complex comprising Hering Cave, Glover Cave and Brazelton Cave.


==Ecology==
==Ecology==
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==Taxonomy==
==Taxonomy==
The closest relative of the Alabama cave shrimp is the [[Kentucky cave shrimp]], ''Palaemonias ganteri'', which lives in [[Mammoth Cave National Park]], [[Kentucky]].<ref name="FWS"/> The two species can be distinguished by size (''P. alabamae'' being larger than ''P. ganteri''), the longer [[rostrum (anatomy)|rostrum]] in ''P. alabmae'', and the greater number of spines on the rostrum of ''P. alabamae''.<ref name="FWS"/>
The closest relative of the Alabama cave shrimp is the [[Kentucky cave shrimp]], ''Palaemonias ganteri'', which lives in [[Mammoth Cave National Park]], [[Kentucky]].<ref name="FWS"/> The two species can be distinguished by size (''P. alabamae'' being larger than ''P. ganteri''), the longer [[rostrum (anatomy)|rostrum]] in ''P. alabamae'', and the greater number of spines on the rostrum of ''P. alabamae''.<ref name="FWS"/>


==References==
==References==

{{TaxonIds |others=[http://www.arkive.org/alabama-cave-shrimp/palaemonias-alabamae/ ARKive] |itis=97246 |eol=1021259}}
{{Reflist}}
{{Reflist}}

{{Taxonbar|from=Q3935149}}
{{Authority control}}


[[Category:Atyidae]]
[[Category:Atyidae]]
[[Category:Crustaceans of the United States]]
[[Category:Endemic crustaceans of the United States]]
[[Category:Cave shrimp]]
[[Category:Cave shrimp]]
[[Category:Endemic fauna of Alabama]]
[[Category:Endemic fauna of Alabama]]
[[Category:Freshwater crustaceans of North America]]
[[Category:Freshwater crustaceans of North America]]
[[Category:Madison County, Alabama]]
[[Category:Madison County, Alabama]]
[[Category:Animals described in 1961]]
[[Category:Crustaceans described in 1961]]
[[Category:Endangered fauna of the United States]]
[[Category:Endangered fauna of the United States]]
[[Category:ESA endangered species]]

Latest revision as of 20:38, 6 July 2024

Alabama cave shrimp
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Caridea
Family: Atyidae
Genus: Palaemonias
Species:
P. alabamae
Binomial name
Palaemonias alabamae
(Smalley, 1961)

The Alabama cave shrimp (Palaemonias alabamae) is a species of shrimp in the family Atyidae, found only in caves in the state of Alabama.

Conservation status

[edit]

Palaemonias alabamae is listed as an endangered species both on the IUCN Red List,[1] and since September 7, 1988, under the U.S. Endangered Species Act.[2]

Distribution

[edit]

The Alabama cave shrimp is only known from five caves, all in Madison County, Alabama.[3] Shelta Cave is the species' type locality, but viable populations have only been confirmed in Bobcat Cave and the complex comprising Hering Cave, Glover Cave and Brazelton Cave.

Ecology

[edit]

P. alabamae occurs in cave pools with silty bottoms.[3] Predators of the Alabama cave shrimp include the southern cavefish Typhlichthys subterraneus, the Tennessee cave salamander Gyrinophilus palleucus, various crayfish species, bullfrogs and raccoons.[3]

Taxonomy

[edit]

The closest relative of the Alabama cave shrimp is the Kentucky cave shrimp, Palaemonias ganteri, which lives in Mammoth Cave National Park, Kentucky.[3] The two species can be distinguished by size (P. alabamae being larger than P. ganteri), the longer rostrum in P. alabamae, and the greater number of spines on the rostrum of P. alabamae.[3]

References

[edit]
  1. ^ a b De Grave, S.; Rogers, C. (2013). "Palaemonias alabamae". IUCN Red List of Threatened Species. 2013: e.T15887A788932. doi:10.2305/IUCN.UK.2013-1.RLTS.T15887A788932.en. Retrieved 20 November 2021.
  2. ^ "Alabama cave shrimp (Palaemonias alabamae) species profile". Environmental Conservation Online System. United States Fish and Wildlife Service. October 10, 2010.
  3. ^ a b c d e Jeff Powell (August 29, 2006). "Alabama Cave Shrimp (Palaemonias alabamae). 5-Year Review: Summary and Evaluation" (PDF). United States Fish and Wildlife Service. Retrieved October 10, 2010.
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