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

Florida Cave Isopod
Caecidotea hobbsi (Maloney, 1939)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Isopoda
Family Asellidae
Genus Caecidotea
Species Caecidotea hobbsi (Maloney, 1939)

Synonyms

Asellus hobbsi Maloney, 1939
Conasellus hobbsi (Maloney, 1939)

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Dudley Cave near Gainesville, Alachua Co. FL

Range

Known from two states across two karst regions.

Continent

North America

Country

United States

States and provinces

Florida, Georgia

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, Other

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
28S nuclear 4 376-746 bp OR505674.1
COI mitochondrial 2 671-746 bp OR291963.1
other unknown 2 697-756 bp OR341844.1

8 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.

Download all 8 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Specimens

Type material

Holotype
USNM 76434 · National Museum of Natural History, Smithsonian Institution
Paratype ×3
National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 15
Canadian Museum of Nature 1
North Carolina Museum of Natural Sciences 1

17 cataloged lots in 3 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 17 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

NatureServe

G1G2 Critically Imperiled to Imperiled

G1▲G2▲G3G4G5

Global rank last reviewed 3 February 2020.

Subnational ranks

Florida
S1S2 Critically Imperiled to Imperiled
Georgia
SNR Unranked

State and federal status

Not listed under the U.S. Endangered Species Act

Threats

  • Dams & Water Extraction
  • Pollution -Sewage or Urban Wastewater
  • Pollution - Commercial/Industrial
  • Pollution - Agricultural & Forestry
  • Climate Change-Sea Level Rise

Other resources

Catalogue of Life
P7PZ
GBIF
2205797
ITIS
92741
iNaturalist
215640
NCBI Taxonomy
3059453

How to cite this account

Caecidotea hobbsi (Maloney, 1939). Cave Biology Data Portal, account SP-1224. https://cavebiology.org/species/caecidotea-hobbsi/ (accessed 3 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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