Bigcheek Cave Crayfish
Procambarus delicatus Hobbs & Franz, 1986
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Decapoda |
| Family | Cambaridae |
| Genus | Procambarus |
| Species | Procambarus delicatus Hobbs & Franz, 1986 |
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
- Maximum body length
- 50 mm
Distribution
Type locality
Alexander Springs Cave, Lake Co., FL
Range
Known from Florida in the Florida Lime Sinks karst region.
Continent
North America
Country
United States
States and provinces
Florida
Counties
County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.
Karst regions
Florida Lime Sinks
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| 18S | nuclear | 1 | 272-272 bp | KX238102.1 |
| 28S | nuclear | 1 | 366-366 bp | KX238015.1 |
2 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 2 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Holotype
- USNM 218528 · National Museum of Natural History, Smithsonian Institution
- Allotype
- USNM 144848 · National Museum of Natural History, Smithsonian Institution
- Paratype
- USNM 145578 · National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 3 |
3 cataloged lots in 1 collection. 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 3 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
IUCN Red List
CR Critically Endangered B1ab(iii)+2ab(iii)
Assessed in 2010.
NatureServe
G1 Critically Imperiled
Global rank last reviewed 15 May 2026.
Subnational ranks
- Florida
- S1 Critically Imperiled
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 - Commercial/Industrial
- Pollution - Agricultural & Forestry
- Climate Change-Sea Level Rise
Other resources
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.