Pisidium moitessierianum
Pisidium moitessierianum
(pygmy peaclam)
Mollusks-Bivalves
Exotic
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22 results for Pisidium moitessierianum (pygmy peaclam)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
262151   Lake Superior1895 04180000 Lake Superiorcollected
242056   Lake Superior1999 04180000 Lake Superiorestablished
164931   St. Clair River to Lake Erie drainage1895  unknown
1692365 ILWashingtonPuncheon Creek, Du Bois, North America1907 07140106 Big Muddyunknown
242053 MIMacombLake St. Clair1999 04090002 Lake St. Clairestablished
242054 MISt. ClairSt. Clair River delta1999 04090002 Lake St. Clairestablished
1709898 MNSt. LouisSt. Louis River2018 04010201 St. Louis 
1709903 MNSt. LouisSt. Louis River2020 04010201 St. Louis 
1709901 MNSt. LouisSt. Louis River2020 04010201 St. Louis 
1709902 MNSt. LouisSt. Louis River2020 04010201 St. Louis 
1709907 MNSt. LouisSt. Louis River2020 04010201 St. Louis 
242055 OH Lake Erie, western basin1999 04260000 Lake Erieestablished
242052 OH Tuscarawas River1895 05040001 Tuscarawasestablished
279749 OHPortagePortage County1895 05030103 Mahoningestablished
1756795 OHStarkNimishillen Creek, Canton, North America1900 05040001 Tuscarawas 
158498 WIDouglasLake Superior, Superior Harbor, Superior2001 04180000 Lake Superiorestablished
1709899 WIDouglasSt. Louis River2019 04180000 Lake Superior 
1709900 WIDouglasSt. Louis River2019 04180000 Lake Superior 
1709904 WIDouglasSt. Louis River2020 04010201 St. Louis 
1709905 WIDouglasSt. Louis River2020 04180000 Lake Superior 
1709906 WIDouglasSt. Louis River2020 04010301 Beartrap-Nemadji 
1756796 WIWaukeshaOconomowoc Lake, North America1926 07090001 Upper Rock 

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/17/2025].

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