Specimen Information

Pisidium supinum
Pisidium supinum
(humpbacked peaclam)
Mollusks-Bivalves
Exotic

Specimen ID159416
GroupMollusks-Bivalves
GenusPisidium
Speciessupinum
Common Namehumpbacked peaclam
LocalityGreat Lakes Region
Mapping AccuracyCentroid
HUC8 NameGreat Lakes Region
HUC8 Number04000000
Map
+
Collection Year1959
Year AccuracyActual
Potential Pathwayshipping ballast water
Statusestablished
Reference 1
Ref. Number:13596
Author:Grigorovich, I.A., R.I. Colautti, E.L. Mills, K. Holeck, A.G. Ballert, and H.J. MacIsaac
Date:2003
Title:Ballast-mediated animal introductions in the Laurentian Great Lakes: retrospective and prospective analyses.
Journal:Canadian Journal of Fisheries and Aquatic Sciences
Volume:60
Pages:740-756
CommentsThis species is considered introduced (Burch 1975b; Clarke 1973), but fossil records from Idaho & Alberta (Herrington 1962) suggest it may be indigenous to N. America. Most common in Great Lakes and St. Lawrence drainage basins; in large rivers (Ottawa River, St. Lawrence River).
Record TypeLiterature
Earliest Recordnation
Freshwater/MarineFreshwater


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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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/15/2019].

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