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

Black Bullhead
Ameiurus melas (Rafinesque, 1820)

Taxonomy

Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Class Actinopterygii
Order Siluriformes
Family Ictaluridae
Genus Ameiurus
Species Ameiurus melas (Rafinesque, 1820)

Description

Diagnostic characters

Ecological class
Stygoxene
Realm
Aquatic

Distribution

Range

Known from three counties across two states.

Continent

North America

Country

United States

States and provinces

Alabama, Illinois

Counties

Alabama
Madison, Morgan
Illinois
Monroe

Conservation and management

IUCN Red List

LC Least Concern

EXEWCRENVUNTLC▲

Assessed in 2013.

NatureServe

G5 Secure

G1G2G3G4G5▲

National ranks

Canada
N5 Secure
United States
N5 Secure

Subnational ranks

Saskatchewan
S3 Vulnerable
Ontario
S4 Apparently Secure
British Columbia
SNA Not Applicable
Manitoba
S5 Secure
New Mexico
S3 Vulnerable
Colorado
S5 Secure
Wisconsin
S5 Secure
California
SNA Not Applicable
North Carolina
SNA Not Applicable
Tennessee
S5 Secure
NN
SNA Not Applicable
Illinois
S5 Secure
Connecticut
SNA Not Applicable
NE
S5 Secure
Louisiana
S5 Secure
Nevada
SNA Not Applicable
Ohio
S5 Secure
Oklahoma
SNR Unranked
South Carolina
SNA Not Applicable
Maryland
SNR Unranked
Arkansas
S4 Apparently Secure
Kentucky
S4 Apparently Secure
Arizona
SNA Not Applicable
Minnesota
SNR Unranked
Missouri
SNR Unranked
Oregon
SNA Not Applicable
Texas
S5 Secure
ND
SNR Unranked
Kansas
S5 Secure
Pennsylvania
SU Unrankable
Mississippi
S5 Secure
Utah
SNA Not Applicable
Massachusetts
SNA Not Applicable
Indiana
S4 Apparently Secure
West Virginia
S1 Critically Imperiled
Wyoming
S5 Secure
Georgia
S4 Apparently Secure
Montana
SNA Not Applicable
Virginia
S4 Apparently Secure
Iowa
S5 Secure
South Dakota
S5 Secure
Washington
SNA Not Applicable
Alabama
S5 Secure
Idaho
SNA Not Applicable
Michigan
S5 Secure
New York
S1 Critically Imperiled
NJ
SNA Not Applicable

State and federal status

Not listed under the U.S. Endangered Species Act

References

  • Armstrong, J.G. & Williams, J.D. 1971. Cave and spring fishes of the southern bend of the Tennessee River. Journal of the Tennessee Academy of Science 46: 107–115.
  • Niemiller, M.L., Anderson, C.L., Maxwell, E.C., Midgette, H., Quering, C., Richards, M., Wilson, K. & Wirwa, N. 2025. A noteworthy range extension of the federally endangered Alabama Cave Shrimp (Palaemonias alabamae) south of the Tennessee River in northern Alabama. Southeastern Naturalist 24: N47-N58. doi:10.1656/058.024.0403
  • Rheams, K.F., Moser, P.H. & McGregor, S.W. 1992. Geologic, hydrologic, and biologic investigations in Arrowwood, Bobcat, Matthews, and Shelta caves and selected caves, Madison, County, Alabama. Geological Survey of Alabama, Tuscaloosa, Alabama, USA. 262 pp.
  • Rheams, K.F., Moser, P.H. & McGregor, S.W. 1994. Hydrogeologic and biologic factors related to the occurrence of the Alabama cave shrimp (Palaemonias alabamae), Madison County, Alabama. Geological Survey of Alabama Bulletin 161: 1–147.
  • Webb, D.W., Taylor, S.J. & Krejca, J.K. 1993. The biological resources of Illinois caves and other subterranean environments. Illinois Natural History Survey, Champaign, Illinois, USA. 143 pp.

How to cite this account

Ameiurus melas (Rafinesque, 1820). Cave Biology Data Portal, account SP-1487. https://cavebiology.org/species/ameiurus-melas/ (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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