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NAS - Nonindigenous Aquatic Species



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Utterbackia imbecillis  

Common Name: paper pondshell

Taxonomy: available through ITIS logo

Size: can reach 100 mm

Native Range: Mississippi River drainage as far west as Oklahoma; Great Lakes drainage.

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Interactive maps: Continental US, Hawaii, Puerto Rico

Nonindigenous Occurrences: Hudson River.

Means of Introduction: Probably a natural migration via the Erie Canal.

Status:

Impact of Introduction: Unknown.

Remarks: Found in shallow banks of rivers in fine sand or mud.  May be hermaphroditic, breeds in the fall; many species of native and exotic fish and several species of amphibians serve as the host for the glochidia.

References

Author: Amy Benson

Revision Date: 4/21/2004

Citation for this information:
Amy Benson. 2009. Utterbackia imbecillis. USGS Nonindigenous Aquatic Species Database, Gainesville, FL.
<http://nas.er.usgs.gov/queries/FactSheet.asp?speciesID=2237> Revision Date: 4/21/2004





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