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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
AnimaliaChordataVertebrataActinopterygiiSiluriformesIctaluridaeTrogloglanis

Toothless Blindcat
Trogloglanis pattersoni Eigenmann, 1919

Taxonomy

Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Class Actinopterygii
Order Siluriformes
Family Ictaluridae
Genus Trogloglanis
Species Trogloglanis pattersoni Eigenmann, 1919

Description

Diagnostic characters

Ecological class
Stygobiont
Realm
Aquatic
Troglomorphy
Troglomorphic

Distribution

Type locality

Artesian well in 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

Genetics

Molecular resources

MarkerMoleculeSequences LengthExemplar
genome nuclear 1 GCA_025674515.1
18S nuclear 1 956-956 bp MZ126813.1
cytb mitochondrial 1 921-921 bp OQ559225.1
mitogenome mitochondrial 1 16444-16444 bp MZ151889.1

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

Download all 4 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.

Mitogenome
Available
Nuclear genome
Available

Specimens

Type material

Holotype
58675 · California Academy of Sciences

Collections holding material

InstitutionLots
Texas Natural History Collection, University of Texas at Austin 51
University of Texas Biodiversity Center 45
University of Michigan Museum of Zoology 3
Biodiversity Research and Teaching Collections, Texas A&M University 2
Scripps Institution of Oceanography 2
California Academy of Sciences 1

104 cataloged lots in 6 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 104 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 12 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
598TW
GBIF
2341072
ITIS
164033
iNaturalist
114545
NCBI Taxonomy
2708359

How to cite this account

Trogloglanis pattersoni Eigenmann, 1919. Cave Biology Data Portal, account SP-1362. https://cavebiology.org/species/trogloglanis-pattersoni/ (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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