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Subterranean biodiversity of North America and around the globe

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

Widemouth Blindcat
Satan eurystomus Hubbs & Bailey, 1947

Taxonomy

Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Class Actinopterygii
Order Siluriformes
Family Ictaluridae
Genus Satan
Species Satan eurystomus Hubbs & Bailey, 1947

Description

Diagnostic characters

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

Distribution

Type locality

Artesian well near San Antonio, Bexar Co., TX

Range

Known from Texas in the Edwards Plateau and Balcones karst region.

Continent

North America

Country

United States

States and provinces

Texas

Counties

County-level records have not been compiled for this taxon. Distribution is recorded at state and karst-region level.

Karst regions

Edwards Plateau and Balcones

Specimens

Type material

Holotype
190922 · University of Michigan Museum of Zoology

Collections holding material

InstitutionLots
University of Texas Biodiversity Center 25
Texas Natural History Collection, University of Texas at Austin 17
Biodiversity Research and Teaching Collections, Texas A&M University 3
National Museum of Natural History, Smithsonian Institution 2
University of Michigan Museum of Zoology 1

48 cataloged lots in 5 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 48 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.

Conservation and management

IUCN Red List

VU Vulnerable D2

EXEWCRENVU▲NTLC

Assessed in 2012.

NatureServe

G1G2 Critically Imperiled to Imperiled

G1▲G2▲G3G4G5

Global rank last reviewed 11 April 2012.

Subnational ranks

Texas
S1 Critically Imperiled

State and federal status

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

Federal: Proposed Endangered

Threats

  • Dams & Water Extraction
  • Pollution - Commercial/Industrial
  • Pollution - Agricultural & Forestry

Other resources

Catalogue of Life
6XQNF
GBIF
2341042
ITIS
164031
iNaturalist
112078
NCBI Taxonomy
2831864

How to cite this account

Satan eurystomus Hubbs & Bailey, 1947. Cave Biology Data Portal, account SP-1361. https://cavebiology.org/species/satan-eurystomus/ (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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