Pylodictis olivaris
Pylodictis olivaris
(Flathead Catfish)
Fishes
Native Transplant
Collection Info
Point Map
Species Profile
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Impacts

15 results for Pylodictis olivaris (Flathead Catfish)
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Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1417521 ILCookChicago Area Waterway, above the electric barrier [Lockport Pool]2010 07120003 Chicagoestablished
1417522 ILCookChicago Area Waterway, above the electric barrier [Lockport Pool]2011 07120003 Chicagoestablished
1417531 ILCookLake Calumet2010 04040001 Little Calumet-Galienestablished
275909 ILCookLake Calumet2011 04040001 Little Calumet-Galienunknown
1899101 ILCookLake Michigan, at Chicago, IL2016 04190000 Lake Michigan 
1899166 ILCookLake Michigan, at Chicago, IL2017 04190000 Lake Michigan 
1899177 ILCookLake Michigan, at Chicago, IL2017 04190000 Lake Michigan 
1900807 ILCookLake Michigan, at Chicago, IL2018 04190000 Lake Michigan 
1900957 ILCookLake Michigan, at Chicago, IL2018 04190000 Lake Michigan 
1910161 ILCookLake Michigan, at Chicago, IL2021 04190000 Lake Michigan 
1417523 ILWillBrandon Pool, below the electric barrier2010 07120004 Des Plainesestablished
1417526 ILWillBrandon Pool, below the electric barrier2011 07120004 Des Plainesestablished
1417524 ILWillDresden Pool, Des Plaines River, below the electric barrier2010 07120004 Des Plainesestablished
1417528 ILWillDresden Pool, Des Plaines River, below the electric barrier2010 07120004 Des Plainesestablished
1417529 ILWillDresden Pool, Des Plaines River, below the electric barrier2011 07120004 Des Plainesestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/15/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.