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

Miami Cave Crayfish
Procambarus milleri Hobbs, 1971

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Decapoda
Family Cambaridae
Genus Procambarus
Species Procambarus milleri Hobbs, 1971

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic
Maximum body length
100 mm

Distribution

Type locality

Well NE of Homestead, Miami-Dade Co., FL

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

MarkerMoleculeSequences LengthExemplar
28S nuclear 2 443-910 bp KX238278.1
18S nuclear 1 362-362 bp KX238124.1
COI mitochondrial 1 606-606 bp KX238209.1
H3 nuclear 1 327-327 bp KX238350.1
other unknown 1 904-904 bp AF003546.1

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

Download all 6 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Specimens

Type material

Holotype
USNM 131257 · National Museum of Natural History, Smithsonian Institution
Paratype ×11
National Museum of Natural History, Smithsonian Institution

Collections holding material

InstitutionLots
National Museum of Natural History, Smithsonian Institution 13
Florida Museum of Natural History 1

14 cataloged lots in 2 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 14 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

IUCN Red List

EN Endangered B1ab(iii)

EXEWCREN▲VUNTLC

Assessed in 2010.

NatureServe

G1 Critically Imperiled

G1▲G2G3G4G5

Global rank last reviewed 15 October 2022.

Subnational ranks

Florida
S1 Critically Imperiled

State and federal status

Proposed Threatened under the U.S. Endangered Species Act; the listing is not yet in force

Federal: Proposed Threatened

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
7WLVV
GBIF
2227256
ITIS
97541
iNaturalist
110492
NCBI Taxonomy
60967

How to cite this account

Procambarus milleri Hobbs, 1971. Cave Biology Data Portal, account SP-1188. https://cavebiology.org/species/procambarus-milleri/ (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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