Hobb's Cave Amphipod
Crangonyx hobbsi Shoemaker, 1941
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Crangonyctidae |
| Genus | Crangonyx |
| Species | Crangonyx hobbsi Shoemaker, 1941 |
Description
Diagnostic characters
- Ecological class
- Stygobiont
- Realm
- Aquatic
- Troglomorphy
- Troglomorphic
Distribution
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 |
|---|---|---|---|---|
| 28S | nuclear | 95 | 294-857 bp | MT470804.1 |
| 18S | nuclear | 50 | 325-1760 bp | PQ522382.1 |
| COI | mitochondrial | 1 | 487-487 bp | PQ510726.1 |
146 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 146 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Type material
- Paratype
- USNM 109623 · National Museum of Natural History, Smithsonian Institution
- Type
- USNM 79362 · National Museum of Natural History, Smithsonian Institution
Collections holding material
| Institution | Lots |
|---|---|
| National Museum of Natural History, Smithsonian Institution | 62 |
| Florida Museum of Natural History | 7 |
| Yale Peabody Museum | 5 |
| North Carolina Museum of Natural Sciences | 3 |
| American Museum of Natural History | 2 |
| Canadian Museum of Nature | 1 |
80 cataloged lots in 6 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 80 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
IUCN Red List
VU Vulnerable D2
Assessed in 1996.
NatureServe
G2G3 Imperiled to Vulnerable
Global rank last reviewed 19 May 2026.
Subnational ranks
- Florida
- S2S3 Imperiled to Vulnerable
State and federal status
Not listed under the U.S. Endangered Species Act
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.