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

American Eel
Anguilla rostrata (Lesueur, 1817)

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Teleostei
Order Anguilliformes
Family Anguillidae
Genus Anguilla
Species Anguilla rostrata (Lesueur, 1817)

Description

Diagnostic characters

Ecological class
Stygoxene
Realm
Aquatic

Distribution

Range

Known from 11 counties across two states.

Continent

North America

Country

United States

States and provinces

Florida, Georgia

Counties

Florida
Holmes, Jackson, Leon, Madison, Marion, Putnam, Suwannee, Wakulla, Walton, Washington
Georgia
Decatur

Conservation and management

IUCN Red List

EN Endangered

EXEWCREN▲VUNTLC

Assessed in 2023.

NatureServe

G4 Apparently Secure

G1G2G3G4▲G5

National ranks

Canada
N3N Vulnerable (non-breeding)
United States
N4 Apparently Secure

Subnational ranks

Ontario
S1 Critically Imperiled
Newfoundland and Labrador
S3N Vulnerable (non-breeding)
Nova Scotia
S3N Vulnerable (non-breeding)
Quebec
S2 Imperiled
New Brunswick
S4N Apparently Secure (non-breeding)
Prince Edward Island
S2N Imperiled (non-breeding)
Saskatchewan
SNA Not Applicable
NH
S3 Vulnerable
Massachusetts
S3 Vulnerable
Maryland
S4 Apparently Secure
Minnesota
S3 Vulnerable
Connecticut
S5 Secure
Pennsylvania
S5 Secure
Nevada
SNA Not Applicable
Florida
S3 Vulnerable
West Virginia
S2 Imperiled
Virginia
S5 Secure
Indiana
S2 Imperiled
Tennessee
S3 Vulnerable
Texas
S4 Apparently Secure
South Dakota
SU Unrankable
Iowa
S3 Vulnerable
Illinois
S2 Imperiled
NE
SNR Unranked
Louisiana
S4 Apparently Secure
ME
S5 Secure
RI
S5 Secure
Vermont
S2 Imperiled
DE
S5 Secure
Alabama
S5 Secure
Mississippi
SU Unrankable
Missouri
SU Unrankable
New Mexico
SX Presumed Extirpated
Wisconsin
SU Unrankable
South Carolina
S2 Imperiled
Michigan
SNA Not Applicable
Arizona
SNA Not Applicable
Oklahoma
S3 Vulnerable
Arkansas
S3 Vulnerable
Kansas
S2 Imperiled
New York
S2 Imperiled
Georgia
S3 Vulnerable
Ohio
S2 Imperiled
NJ
S4 Apparently Secure
Kentucky
S3 Vulnerable
District of Columbia
S4 Apparently Secure
North Carolina
S4 Apparently Secure

State and federal status

Not listed under the U.S. Endangered Species Act

References

  • Caine, E.A. 1974. Adaptations to species-specific habitats by epigean and troglobitic crayfishes (Decapoda: Astacidae). Florida State University, Tallahassee, Florida, USA. 85 pp.
  • Caine, E.A. 1978. Comparative ecology of epigean and hypogean crayfish (Crustacea: Cambaridae) from northwestern Florida. The American Midland Naturalist 99: 315–329. doi:10.2307/2424809
  • 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.
  • Helfman, G.S. 1986. Diel distribution and activity of American eels (Anguilla rostrata) in a cave-spring. Canadian Journal of Fisheries and Aquatic Sciences 43: 1595–1605. doi:10.1139/f86-198
  • 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.
  • Hobbs, H.H. Jr. & Franz, R. 1992. Procambarus (Ortmannicus) attiguus, a new troglobitic crayfish (Decapoda: Cambaridae) from the Saint Johns River basin, Florida. Proceedings of the Biological Society of Washington 105: 359–365. https://www.biodiversitylibrary.org/page/35607532.
  • 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.
  • Poucher, S. 2011. A Field Guide to the Critters of Florida's Springs. National Speleological Society, Huntsville, Alabama, USA. 124 pp. ISBN 978–1-879961–42–5.
  • Poucher, S. 2022. Wildlife of Florida's Springs. An Illustrated Guide to over 150 Species. Pineapple Press, Palm Beach, Florida, USA. 196 pp. ISBN 9780000000000.
  • Pylka, J.M. & Warren, R.D. 1958. A population of Haideotriton in Florida. Copeia 1958: 334–336. doi:10.2307/1439974
  • Sawicki, T.R. 2022. Unusual cave encounters. In: Poucher, S. (ed), Wildlife of Florida's Springs. An Illustrated Guide to over 150 Species, p. 124. Pineapple Press, Palm Beach, Florida, USA.
  • Streever, W.J. 1992. Report of a cave fauna kill at Peacock Springs Cave System, Suwannee County, Florida. Florida Scientist 55: 125–128. https://www.jstor.org/stable/24320493.
  • Walsh, S.J. 2001. Freshwater macrofauna of Florida karst habitats. Proceedings of the 2001 U.S. Geological Survey Karst Interest Group, USGS Water-Resources Investigations Report 01–4011: 78–88. https://digitalcommons.usf.edu/kip_talks/101/.

How to cite this account

Anguilla rostrata (Lesueur, 1817). Cave Biology Data Portal, account SP-2179. https://cavebiology.org/species/anguilla-rostrata/ (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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