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

Eastern Grass Shrimp
Palaemon paludosus (Gibbes, 1850)

Taxonomy

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Order Decapoda
Family Palaemonidae
Genus Palaemon
Species Palaemon paludosus (Gibbes, 1850)

Description

Diagnostic characters

Ecological class
Stygoxene
Realm
Aquatic

Distribution

Range

Known from seven counties in Florida.

Continent

North America

Country

United States

States and provinces

Florida

Counties

Florida
Columbia, Gilchrist, Hernando, Jackson, Leon, Marion, Wakulla

Conservation and management

NatureServe

G5 Secure

G1G2G3G4G5▲

National ranks

United States
N5 Secure

Subnational ranks

Louisiana
SNR Unranked
Arizona
SNA Not Applicable
Colorado
SNA Not Applicable
Texas
SNR Unranked
NJ
SNR Unranked
California
SNA Not Applicable
Oklahoma
SNR Unranked
Mississippi
SNR Unranked
Florida
SNR Unranked
South Carolina
S4 Apparently Secure

State and federal status

Not listed under the U.S. Endangered Species Act

References

  • 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, H.H. Jr. & Means, D.B. 1972. Two new troglobitic crayfishes (Decapoda, Astacidae) from Florida. Proceedings of the Biological Society of Washington 84: 393–410. https://www.biodiversitylibrary.org/page/34563471.
  • Hobbs, H.H. Jr., Hobbs, H.H. III & Daniel, M.A. 1977. A review of the troglobitic decapod crustaceans of the Americas. Smithsonian Contributions to Zoology 244: 1–183.
  • Morris, T.L. 2006. A biological inventory of aquifer caves in Florida with special emphasis on troglobitic crustaceans and salamanders. Final report S0057 to Florida Department of Environmental Regulation. Karst Environmental Services, Inc., High Springs, Florida, USA. 44 pp.

How to cite this account

Palaemon paludosus (Gibbes, 1850). Cave Biology Data Portal, account SP-1889. https://cavebiology.org/species/palaemon-paludosus/ (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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