Pylodictis olivaris
Pylodictis olivaris
(Flathead Catfish)
Native Transplant

35 results for Pylodictis olivaris (Flathead Catfish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1464597 SD Fort Randall Reservoir drainage1962 10140101 Fort Randall Reservoirestablished
1464746 SD Lower Lake Oahe drainage1956 10130105 Lower Lake Oaheestablished
1464447 SD Lower Lake Oahe drainage1959 10130105 Lower Lake Oaheunknown
1467181 SDBon HommeMissouri River at Niobrara River2004 10170101 Lewis and Clark Lakeestablished
1447853 SDBon HommeMissouri River, Lewis and Clark Lake1962 10170101 Lewis and Clark Lakeestablished
1464624 SDBon HommeMissouri River, Lewis and Clark Lake1999 10170101 Lewis and Clark Lakeestablished
1464445 SDClayMissouri River at the mouth of the Vermillion River, South Dakota1959 10170102 Vermillionunknown
1467179 SDClayVermillion River1992 10170102 Vermillionestablished
1410182 SDDavisonLake Mitchell2007 10160011 Lower Jamesestablished
1410183 SDDavisonLake Mitchell2011 10160011 Lower Jamesestablished
1410184 SDDavisonLake Mitchell2012 10160011 Lower Jamesestablished
1410185 SDDavisonLake Mitchell2014 10160011 Lower Jamesestablished
1447856 SDGregoryFort Randall Reservoir1997 10140101 Fort Randall Reservoirestablished
1464747 SDGregoryLake Francis Case, a Missouri River impoundment in south central SD1956 10140101 Fort Randall Reservoirestablished
1467947 SDHughesMissouri River at Lake Oahe tailwaters1960 10140101 Fort Randall Reservoirestablished
1467932 SDHutchinsonJames River at Olivet2018 10160011 Lower Jamesestablished
1464611 SDHutchinsonJames River between the confluence of the Missouri River and the first major dam2000 10160011 Lower Jamesestablished
1467146 SDLincolnBig Sioux River [in thirty mile section of Lincoln county]1970 10170203 Lower Big Siouxestablished
1464448 SDLyman[Missouri River at] Mouth of White River [near] Chamberlain1896 10140204 Lower Whiteunknown
1464642 SDPotterOahe Reservoir at Whitlock's Crossing, Missouri River1965 10130105 Lower Lake Oaheestablished
1464740 SDSpinkJames River mainstem, South Dakota1999 10160006 Middle Jamesestablished
1464741 SDSpinkJames River mainstem, South Dakota2000 10160006 Middle Jamesestablished
1468716 SDStanleyStation two in Lake Oahe, Missouri River1959 10130105 Lower Lake Oaheunknown
1467948 SDSullyLake Oahe at station two [near confluence with Spring Creek]1959 10130105 Lower Lake Oaheestablished
1467144 SDUnionBig Sioux River [Lower portion, below Sioux Falls]1994 10170203 Lower Big Siouxestablished

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.


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. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2023].

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