Taxonomy
- Kingdom: Animalia
- Phylum: Arthropoda
- Subphylum: Crustacea
- Class: Malacostraca
- Order: Decapoda
- Family: Cambaridae
- Genus: Cambarus
- Species: Cambarus catagius
- Authority: Hobbs & Perkins, 1967
Common name
Greensboro burrowing crayfish
Description
Cambarus catagius is a freshwater crayfish belonging to the family Cambaridae. Like other members of the genus Cambarus, it possesses a hard exoskeleton, a pair of large chelae (claws) on the first pair of walking legs, and a segmented abdomen ending in a telson. Specific morphological details (e.g., coloration, size range) are not extensively documented in the primary literature, but the species is recognized as a burrowing form adapted to a semi‑subterranean lifestyle.
Distribution and habitat
The species is endemic to the Piedmont region of North Carolina, United States. Its known range includes the Greensboro area and extends to surrounding counties such as Randolph, Guilford, and Durham. C. catagius inhabits moist, burrow‑rich soils near streams, wetlands, and other freshwater systems where it constructs permanent or temporary burrows. The species' burrowing behavior allows it to survive periods of low surface water availability.
Conservation status
- IUCN Red List: Data Deficient (as of the 2010 assessment)
- NatureServe: Imperiled (G2)
Because of its limited geographic distribution and specialized habitat requirements, C. catagius is considered a species of special conservation concern in North Carolina. Threats include habitat loss from urban development, water pollution, and alteration of groundwater regimes that affect the integrity of its burrow systems.
Ecology
The burrowing lifestyle of C. catagius influences local soil aeration and water infiltration. It is primarily a detritivore, feeding on decomposing organic matter, plant material, and small invertebrates encountered within its burrows. Predators likely include fish, amphibians, and wading birds that can access burrow entrances.
Research and monitoring
Surveys conducted by state wildlife agencies and academic researchers have documented the species at multiple sites throughout its range, but comprehensive population estimates are lacking. Ongoing monitoring focuses on habitat quality, distribution mapping, and the impact of land‑use changes.
References
- Hobbs, H. H., Jr. & Perkins, M. (1967). Original species description.
- Cordeiro, J.; Jones, T.; Thoma, R. F. (2010). Cambarus catagius. IUCN Red List of Threatened Species.
- NatureServe Explorer (2022). Cambarus catagius – Conservation status G2.
- North Carolina Wildlife Resources Commission. Greensboro Burrowing Crayfish profile.
Note: Information reflects the current scientific literature and conservation assessments available as of 2024.