Northern Lake Crangonyctid
Crangonyx gracilis S.I. Smith, 1871
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Crustacea |
| Class | Malacostraca |
| Order | Amphipoda |
| Family | Crangonyctidae |
| Genus | Crangonyx |
| Species | Crangonyx gracilis S.I. Smith, 1871 |
Description
Diagnostic characters
- Ecological class
- Stygophile
- Realm
- Aquatic
Distribution
Range
Known from five counties across three states.
Continent
North America
Country
United States
States and provinces
Indiana, Kentucky, West Virginia
Counties
- Indiana
- Lawrence, Monroe
- Kentucky
- Edmonson
- West Virginia
- Greenbrier, Monroe
Conservation and management
NatureServe
G4 Apparently Secure
National ranks
- United States
- N4 Apparently Secure
- Canada
- NU
Subnational ranks
- Michigan
- SNR Unranked
- Indiana
- SNR Unranked
- West Virginia
- SNR Unranked
- Wisconsin
- SNR Unranked
- Massachusetts
- SNR Unranked
- Virginia
- SU Unrankable
- Ohio
- SNR Unranked
- Illinois
- SNR Unranked
- Ontario
- SU Unrankable
State and federal status
Not listed under the U.S. Endangered Species Act
References
- Bailey, V. 1933. Cave Life of Kentucky. US Department of Agriculture, Bureau of Biological Survey, Washington, DC, USA. 256 pp.
- Banta, A.M. 1907. The fauna of Mayfield's Cave. Carnegie Institution of Washington Publication 67: 1–114. https://www.biodiversitylibrary.org/item/60987.
- Giovannoli, L. 1933. Invertebrate life of Mammoth and other neighboring caves. In: Bailey, V. (ed), Cave Life of Kentucky, pp. 600–623.
- Lewis, J.J. & Bowman, T.E. 1981. The subterranean asellids (Caecidotea) of Illinois (Crustacea: Isopoda: Asellidae). Smithsonian Contributions to Zoology 335: 1–66. doi:10.5479/si.00810282.335
- Poulson, T.L. 1961. Cave adaptation in amblyopsid cavefishes. University of Michigan, Ann Arbor, Michigan, USA. 185 pp. doi:10.7302/9847
- Zhang, J. & Holsinger, J.R. 2003. Systematics of the freshwater amphipod genus Crangonyx (Crangonyctidae) in North America. Virginia Museum of Natural History Memior 6: 1–274.
How to cite this account
Crangonyx gracilis S.I. Smith, 1871. Cave Biology Data Portal, account SP-1621. https://cavebiology.org/species/crangonyx-gracilis/ (accessed 7 September 2026).
Data sources and funding are listed in the Acknowledgments.
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