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

Crangonyx caecus Zhang & Holsinger, 2003

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Amphipoda
Family Crangonyctidae
Genus Crangonyx
Species Crangonyx caecus Zhang & Holsinger, 2003

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Cascade Cave (=North Cave), Carter Co. KY

Range

Known from one county in Kentucky in the Interior Low Plateau karst region.

Continent

North America

Country

United States

States and provinces

Kentucky

Counties

Kentucky
Carter

Karst regions

Interior Low Plateau

Specimens

Type material

Holotype
USNM 230408 · National Museum of Natural History, Smithsonian Institution
Paratype ×17
National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 19

19 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 19 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G1 Critically Imperiled

G1▲G2G3G4G5

Global rank last reviewed 7 March 2008.

Subnational ranks

Kentucky
S1 Critically Imperiled

Ranks looked up 23 August 2026. Conservation status changes, and a rank here is as current as that date and no more.

State and federal status

Not listed under the U.S. Endangered Species Act.

Other resources

Catalogue of Life
Z4TG
GBIF
6461755
ITIS
900055
iNaturalist
217697

References

  • Harker, D.F., Jr. & Barr, T.C., Jr. 1979. Caves and associated fauna of Eastern Kentucky, Volume 3. Kentucky Nature Preserves Commission, Frankfurt, Kentucky, USA. 130 pp.
  • 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.

This account was last revised 28 August 2026. Conservation ranks were looked up 23 August 2026.

How to cite this account

Crangonyx caecus Zhang & Holsinger, 2003. Cave Biology Data Portal, account SP-0957. https://cavebiology.org/species/crangonyx-caecus/ (accessed 18 October 2026).
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Data sources and funding are listed in the Acknowledgments.

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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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