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Cave Biology Data Portal
Subterranean biodiversity of North America and around the globe
AnimaliaArthropodaCrustaceaMalacostracaAmphipodaCrangonyctidaeCrangonyx

Florida Crangonyctid
Crangonyx floridanus Bousfield, 1963

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Amphipoda
Family Crangonyctidae
Genus Crangonyx
Species Crangonyx floridanus Bousfield, 1963

Description

Diagnostic characters

Ecological class
Stygophile
Realm
Aquatic

Distribution

Range

Known from 11 counties across eight states.

Continent

North America

Country

United States

States and provinces

Alabama, Florida, Kentucky, Missouri, North Carolina, Pennsylvania, South Carolina, Tennessee

Counties

Alabama
Jackson, Talladega
Florida
Dade, Jackson, Suwannee
Kentucky
Christian
Missouri
Camden
North Carolina
Granville
Pennsylvania
Lehigh
South Carolina
Barnwell
Tennessee
Franklin

Conservation and management

NatureServe

G5 Secure

G1G2G3G4G5▲

National ranks

United States
N5 Secure

Subnational ranks

Kansas
SNR Unranked
Virginia
SNR Unranked
Kentucky
S4 Apparently Secure
District of Columbia
SNR Unranked
Ohio
SNR Unranked
Massachusetts
SNR Unranked
Missouri
SNR Unranked
Tennessee
SNR Unranked
North Carolina
SNR Unranked
Florida
SNR Unranked
Georgia
SNR Unranked
West Virginia
SNR Unranked
Alabama
SNR Unranked
Mississippi
SNR Unranked
Pennsylvania
SNR Unranked
Oregon
SNA Not Applicable
South Carolina
SNR Unranked
Colorado
SNA Not Applicable
California
SNA Not Applicable
Maryland
SNR Unranked

State and federal status

Not listed under the U.S. Endangered Species Act

References

  • Bousfield, E.L. 1963. New fresh-water amphipod crustaceans from Florida. Natural History Papers of the National Museum of Canada 18: 1–9.
  • 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.
  • Hobbs, III., H.H. 1994. Assessment of the ecological resources of the caves of Russell Cave National Monument, Jackson County, Alabama and of selected caves at the Lookout Mountain Unit of Chickamauga-Chattanooga National Military Park, Dade County, Georgia and Hamilton County, Tennessee. 200 pp.
  • Lee, D.M. 1969. A food study of the salamander Haideotriton wallacei Carr. Herpetologica 25: 175–177. https://www.jstor.org/stable/3891390.
  • Lewis, J.J. & Lewis, S.L. 2005. Inventory of the subterranean fauna of Tims Ford State Park, Franklin County, Tennessee. Tennesee Natural Heritage Program, Nashville, Tennessee, USA. 28 pp.
  • 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
  • Peck, S.B. 1973. Feeding efficiency in the cave salamander Haideotriton wallacei. International Journal of Speleology 5: 15–19. doi:10.5038/1827-806X.5.1.1
  • Sisco, J.M. & Sawicki, T.R. 2023. Molecular and morphological analyses reveal a new hypogean species of amphipod in the genus Crangonyx Bate, 1859 (Crustacea: Crangonyctidae) within the floridanus species complex, from Suwannee County, Florida. Journal of Natural History 57: 21–24. doi:10.1080/00222933.2023.2247155
  • 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 floridanus Bousfield, 1963. Cave Biology Data Portal, account SP-1618. https://cavebiology.org/species/crangonyx-floridanus/ (accessed 7 September 2026).

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.

Cave Biology Data Portal

Species accounts, distributions, and conservation status for the subterranean fauna of North America and around the globe, with resources for the cave and karst research community.

Text and data CC BY 4.0. Images all rights reserved unless stated.

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