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Cave Biology Data Portal
Subterranean biodiversity of North America and around the globe
AnimaliaArthropodaCrustaceaMalacostracaDecapodaCambaridaeCambarus

Phantom Cave Crayfish
Cambarus pecki (Hobbs, 1967)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Decapoda
Family Cambaridae
Genus Cambarus
Species Cambarus pecki (Hobbs, 1967)

Synonyms

Procambarus pecki Hobbs, 1967

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic
Maximum body length
24.5 mm

Distribution

Type locality

McKinney Pit Cave, Colbert Co. AL

Range

Known from Alabama in the Interior Low Plateau karst region.

Continent

North America

Country

United States

States and provinces

Alabama

Counties

County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.

Karst regions

Interior Low Plateau

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
28S nuclear 4 372-784 bp ON383903.1
COI mitochondrial 4 642-656 bp ON380890.1
12S mitochondrial 1 362-362 bp JX514568.1
16S mitochondrial 1 486-486 bp EU433911.1

10 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.

Download all 10 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Specimens

Type material

Holotype
USNM 117684 · National Museum of Natural History, Smithsonian Institution
Allotype
USNM 117685 · National Museum of Natural History, Smithsonian Institution
Paratype
CRU-13295 · Museum of Comparative Zoology, Harvard
Paratype ×6
National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 12
Brigham Young University 1
Illinois Natural History Survey 1
Museum of Comparative Zoology, Harvard 1
Natural History Museum, London 1

16 cataloged lots in 5 collections. Compiled from GBIF and not an exhaustive census: many collections are not yet digitised, and holdings are added continually. Search GBIF for specimen records.

Download all 16 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

IUCN Red List

EN Endangered B1ab(iii)

EXEWCREN▲VUNTLC

Assessed in 2010.

NatureServe

G1G2 Critically Imperiled to Imperiled

G1▲G2▲G3G4G5

Global rank last reviewed 17 May 2010.

Subnational ranks

Alabama
S1S2 Critically Imperiled to Imperiled

State and federal status

Not listed under the U.S. Endangered Species Act

Threats

  • Urbanization - Residential
  • Agriculture - Crops
  • Climate Change - Precip

Other resources

Catalogue of Life
7RV43
GBIF
5789987
ITIS
1133635
iNaturalist
96598
NCBI Taxonomy
1240923

How to cite this account

Cambarus pecki (Hobbs, 1967). Cave Biology Data Portal, account SP-1165. https://cavebiology.org/species/cambarus-pecki/ (accessed 3 September 2026).

Data sources and funding are listed in the Acknowledgments.

Spotted something wrong on this page? Report a correction. Accounts are compiled from many sources and corrections from people who know the group are the most useful email we get.

Cave Biology Data Portal

Species accounts, distributions, and conservation status for the subterranean fauna of North America and around the globe, with resources for the cave and karst research community.

Text and data CC BY 4.0. Images all rights reserved unless stated.

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