Salem Cave Crayfish
Cambarus hubrichti Hobbs, 1952

Taxonomy

Description

Diagnostic characters

Ecological class

Stygobiont

Realm

Aquatic

Troglomorphy

Troglomorphic

Maximum length

95 mm

Distribution

Type locality

Stream in Lewis Cave, Ripley Co. TN

Range

Known from seven counties in Missouri in the Ozarks karst region.

Continent

North America

Country

United States

States and provinces

Missouri

Counties

Missouri

Carter, Oregon, Phelps, Pulaski, Ripley, Shannon, Texas

Karst regions

Ozarks

Genetics

Molecular resources

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

Download all 23 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Specimens

Type material

Holotype

USNM 92295 · National Museum of Natural History, Smithsonian Institution

Allotype

USNM 92296 · National Museum of Natural History, Smithsonian Institution

Paratype

USNM 116909 · National Museum of Natural History, Smithsonian Institution

Collections holding material

21 cataloged lots in 2 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 21 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

IUCN Red List

DD Data Deficient na

Assessed in 2010.

NatureServe

G4 Apparently Secure

Global rank last reviewed 1 July 2009.

Subnational ranks

Missouri

S3 Vulnerable

Ranks looked up 23 August 2026. Conservation status changes, and a rank here is as current as that date and no more.

State and federal status

Not listed under the U.S. Endangered Species Act.

Threats

• Urbanization - Residential
• Urbanization - Comm. & Industrial
• Pollution - Agricultural & Forestry

Other resources

Catalogue of Life

7RTZK

GBIF

2227353

ITIS

97378

iNaturalist

96576

NCBI Taxonomy

61487

References

• Breinholt, J.W., Porter, M.L. & Crandall, K.A. 2012. Testing phylogenetic hypotheses of the subgenera of the freshwater crayfish genus Cambarus (Decapoda: Cambaridae). PLoS One 7(9): e46105. doi:10.1371/journal.pone.0046105
• Hart, C.W., Jr. & Hobbs, H.H., Jr. 1961. Eight new troglobitic ostracods of the genus Entocythere (Crustacea, Ostracoda) from the eastern United States. Proceedings of the Academy of Natural Sciences of Philadelphia 113: 173–185. https://www.jstor.org/stable/4064545. details
• Hobbs, H.H., Jr. & Barr, T.C., Jr. 1960. The origins and affinities of the troglobitic crayfishes of North America (Decapoda, Astacidae). I. The genus Cambarus. The American Midland Naturalist 64: 12–33. doi:10.2307/2422890
• Hobbs & H.H. Jr. 1989. An illustrated checklist of the American crayfishes (Decapoda: Astacidae, Cambaridae, and Parastacidae). Smithsonian Contributions to Zoology 480: 1–236. doi:10.5479/si.00810282.480
• Hobbs, H.H. Jr., Hobbs, H.H. III & Daniel, M.A. 1977. A review of the troglobitic decapod crustaceans of the Americas. Smithsonian Contributions to Zoology 244: 1–183.
• Nicholas, G. 1960. Checklist of macroscopic troglobitic organisms of the United States. The American Midland Naturalist 64: 123–160. doi:10.2307/2422897
• Romero, A. & Conner, M. 2007. Status report for the southern cavefish, Typhlichthys subterraneus in Arkansas. Arkansas Game and Fish Commission, Little Rock, Arkansas, USA. 37 pp. https://academicworks.cuny.edu/bb_pubs/296/. details
• Stern, D.B., Breinholt, J., Pedraza-Lara, C., Lopez-Mejia, M., Owen, C.L., Bracken-Grissom, H., Fetzner, J.W., Jr. & Crandall, K.A. 2017. Phylogenetic evidence from freshwater crayfishes that cave adaptation is not an evolutionary dead-end. Evolution 71(10): 2522–2532. doi:10.1111/evo.13326

How to cite this account

Data sources and funding are listed in the Acknowledgments.

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