Dougherty Plain Cave Crayfish
Cambarus cryptodytes Hobbs, 1941
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Decapoda |
| Family | Cambaridae |
| Genus | Cambarus |
| Species | Cambarus cryptodytes Hobbs, 1941 |
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
- Maximum length
- 53 mm
Distribution
Type locality
A well, 2 mi S of Graceville, Jackson Co. FL
Range
Known from 11 counties across two states in the Florida Lime Sinks karst region.
Continent
North America
Country
United States
States and provinces
Florida, Georgia
Counties
- Florida
- Calhoun, Jackson, Washington
- Georgia
- Baker, Calhoun, Decatur, Dougherty, Early, Miller, Mitchell, Seminole
Karst regions
Florida Lime Sinks
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| COI | mitochondrial | 2 | 648-648 bp | DQ113444.1 |
| 12S | mitochondrial | 1 | 329-329 bp | JX514607.1 |
| 16S | mitochondrial | 1 | 437-437 bp | JX514534.1 |
| 28S | nuclear | 1 | 784-784 bp | JX514672.1 |
| H3 | nuclear | 1 | 327-327 bp | KX238309.1 |
6 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 6 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Holotype
- USNM 79339 · National Museum of Natural History, Smithsonian Institution
- Allotype
- USNM 79340 · National Museum of Natural History, Smithsonian Institution
- Paratype
- CRU-12220 · Museum of Comparative Zoology, Harvard
- Paratype ×4
- National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 22 |
| Florida Museum of Natural History | 13 |
| North Carolina Museum of Natural Sciences | 10 |
| Museum of Comparative Zoology, Harvard | 2 |
47 cataloged lots in 4 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 47 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
IUCN Red List
LC Least Concern na
Assessed in 2010.
NatureServe
G2G3 Imperiled to Vulnerable
Global rank last reviewed 18 January 2018.
Subnational ranks
- Florida
- S2 Imperiled
- Georgia
- S2 Imperiled
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
- Recreational/Commerical Cave Activities
- Dams & Water Extraction
- Pollution -Sewage or Urban Wastewater
- Pollution - Agricultural & Forestry
Other resources
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
- Brock, K.A. & Bortone, S.A. 1977. Cave dwelling fishes in panhandle Florida. Florida Scientist 40: 406–407. https://www.jstor.org/stable/24320078. details
- Caine, E.A. 1974b. Adaptations to species-specific habitats by epigean and troglobitic crayfishes (Decapoda: Astacidae). Florida State University, Tallahassee, Florida, USA. 85 pp.
- Caine, E.A. 1978. Comparative ecology of epigean and hypogean crayfish (Crustacea: Cambaridae) from northwestern Florida. The American Midland Naturalist 99: 315–329. doi:10.2307/2424809
- Cannizzaro, A.G., Balding, D., Stine, M. & Sawicki, T.R. 2019b. A new syntopic species of Stygobromus Cope, 1872 (Amphipoda: Crangonyctidae) from groundwaters in Georgia and Florida, USA, with notes on S. floridanus Holsinger & Sawicki, 2016. Journal of Crustacean Biology 39: 407–418. doi:10.1093/jcbiol/ruz034
- Culver, D.C. & Hobbs, III, H.H. 2002. Patterns of species richness in the Florida stygobitic fauna. Hydrogeology and Biology of Post-Palaeozoic Carbonate Aquifers. Proceedings of the Symposium Karst Frontiers: Florida and Related Environments: 60–63. https://karstwaters.org/wp-content/uploads/2023/06/SP7-Florida-PostPaleozoic-carbonate-aquifers.pdf. details
- Franz, R. 1992t. Apalachicola Cave Crayfish Cambarus (Jugicambarus) cryptodytes Hobbs. In: Deyrup, M. & Franz, R. (eds), Rare and Endangered Biota of Florida. Volume IV. Invertebrates, pp. 216–218. University Press of Florida, Gainesville, Florida, USA.
- Franz, R., Bauer, J. & Morris, T. 1994. Review of biologically significant caves and their faunas in Florida and south Georgia. Brimleyana 20: 1–109. https://www.biodiversitylibrary.org/part/229726. details
- Franz, R. & Franz, S.E. 1990. A review of the Florida crayfish fauna, with comments on nomenclature, distribution, and conservation. Florida Scientist 53: 286–296. https://www.jstor.org/stable/24320400. details
- Franz, R. & Lee, D.S. 1982. Distribution and evolution of Florida's troglobitic crayfishes. Bulletin of the Florida State Museum 28: 53–78.
- Hale, J.A. & Streever, W.J. 1994. Cave fauna distribution within fully-flooded cave systems in Florida. Journal of Freshwater Ecology 9: 171–174. doi:10.1080/02705060.1994.9664883
- 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. 1941. Three new Florida crayfishes of the subgenus Cambarus (Decapoda, Astacidae). The American Midland Naturalist 26: 110–121. doi:10.2307/2420759
- Hobbs & H.H. Jr. 1942a. A generic revision of the crayfishes of the subfamily Cambarinae (Decapoda, Astacidae) with the description of a new genus and species. The American Midland Naturalist 28: 334–357. doi:10.2307/2420820
- Hobbs & H.H. Jr. 1942b. The Crayfishes of Florida. University of Florida Biological Science Series Volume 3, Issue 2, Gainesville, Florida, USA. 179 pp.
- 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.
- Hobbs, H.H. Jr. & Walton, M. 1968. New entocytherid ostracods from the southern United States. Proceedings of the Academy of Natural Sciences of Philadelphia 120: 237–252. https://www.jstor.org/stable/4064636. details
- Holt, P.C. 1973. Branchiobdellids (Annelida: Clitellata) from some eastern North American caves, with descriptions of new species of the genus Cambarincola. International Journal of Speleology 5: 219–256.
- Lewis, J.J. & Sawicki, T.R. 2016. Mexistenasellus floridensis sp. n., the first stenasellid isopod discovered from the Floridan aquifer (Crustacea, Isopoda, Asellota). Subterranean Biology 17: 121–132. doi:10.3897/subtbiol.17.7703
- Mays, J. 2018. Inventory of Florida's cave fauna with a focus on terrestrial invertebrate species. Progress Report for Florida Park Service. Florida Fish & Wildlife Conservation Commission, Tallahassee, Florida, USA. 9 pp.
- McAllister, C.T., Bursey, C.R., Fenolio, D. & Niemiller, M.L. 2013. Bothriocephalus sp. (Cestoidea: Bothriocephalidae) from the Georgia Blind Salamander, Eurycea wallacei (Caudata: Plethodontidae), in Georgia, U.S.A.: first definitive report of a parasite from this host. Comparative Parasitology 80: 308–311. doi:10.1654/4615.1
- Moler, P., Cook, D. & Penton, M. 2017. Status assessments of the Georgia Blind Salamander and Dougherty Plain Cave Crayfish in Florida. Florida Fish and Wildlife Conservation Commission, Tallahassee, Florida, USA. 18 pp.
- Morris, T.L. 2006. A biological inventory of aquifer caves in Florida with special emphasis on troglobitic crustaceans and salamanders. Final report S0057 to Florida Department of Environmental Regulation. Karst Environmental Services, Inc., High Springs, Florida, USA. 44 pp.
- Nicholas, G. 1960. Checklist of macroscopic troglobitic organisms of the United States. The American Midland Naturalist 64: 123–160. doi:10.2307/2422897
- Niemiller, M.L., Fenolio, D.B. & Zigler, K.S. 2012b. The obligate cave fauna of Georgia. Bulletin of the Georgia Speleological Survey 2012: 6–12.
- Opsahl, S.P. & Chanton, J.P. 2006. Isotopic evidence for methan-based chemosynthesis in the Upper Floridan Aquifer food web. Oecologia 150: 89–96. doi:10.1007/s00442-006-0492-2
- Poucher, S. 2022. Wildlife of Florida's Springs. An Illustrated Guide to over 150 Species. Pineapple Press, Palm Beach, Florida, USA. 196 pp. ISBN 9780000000000.
- Purvis, K.M. & Opsahl, S.P. 2005. A novel technique for invertebrate trapping in groundwater wells identifies new populations of the troglobitic crayfish, Cambarus cryptodytes, in southwest Georgia, USA. Journal of Freshwater Ecology 20: 361–365. doi:10.1080/02705060.2005.9664976
- Pylka, J.M. & Warren, R.D. 1958. A population of Haideotriton in Florida. Copeia 1958: 334–336. doi:10.2307/1439974
- Reeves, W.K., Jensen, J.B. & Ozier, J.C. 2000. New faunal and fungal records from caves in Georgia, USA. Journal of Cave and Karst Studies 62: 169–179. https://caves.org/wp-content/uploads/Publications/JCKS/v62/v62n3-Reeves.pdf. details
- Skelton, C.E. 2019b. Cambarus cryptodytes Hobbs, 1941 Dougherty Plains Cave Crayfish. Georgia Biodiversity Portal, Georgia Department of Natural Resources, Wildlife Resources Division. https://georgiabiodiversity.org/portal/profile?group=animals&es_id=17728. 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
- Tennessee Cave Survey. 2005. Biological records from Tennessee, Alabama, and Georgia caves. Tennessee Cave Survey.
- U.S. Fish & Wildlife Service. 2022. Species status assessment report for the Georgia Blind Salamander (Eurycea wallacei) version 1.0. U.S. Fish & Wildlife Service, South Atlantic-Gulf Region, Atlanta, Georgia, USA. 47 pp.
- Walsh, S.J. 2001. Freshwater macrofauna of Florida karst habitats. Proceedings of the 2001 U.S. Geological Survey Karst Interest Group, USGS Water-Resources Investigations Report 01–4011: 78–88. https://digitalcommons.usf.edu/kip_talks/101/. details
- Warren, R.D. 1961. The obligate cavernicoles of Florida. Special Papers of the Florida Speleological Society 1: 1–10.
- Zigler, K.S., Niemiller, M.L., Stephen, C.D.R., Ayala, B.N., Milne, M.A., Gladstone, N.S., Engel, A.S., Jensen, J.B., Camp, C.D., Ozier, J.C. & Cressler, A. 2020. Biodiversity from caves and other subterranean habitats of Georgia, USA. Journal of Cave and Karst Studies 82: 125–167. doi:10.4311/2019LSC0125
This account was last revised 28 August 2026. Conservation ranks were looked up 23 August 2026.
How to cite this account
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.