Specimen Information

Dreissena polymorpha
Dreissena polymorpha
(zebra mussel)
Mollusks-Bivalves
Exotic

Specimen ID255537
GroupMollusks-Bivalves
GenusDreissena
Speciespolymorpha
Common Namezebra mussel
StateCO
CountyGrand
LocalityGrand Lake on the Colorado River [~60 mi NW of Denver]
Mapping AccuracyAccurate
HUC8 NameColorado Headwaters
HUC8 Number14010001
HUC10 NameHeadwaters Colorado River
HUC10 Number1401000103
HUC12 NameLake Granby
HUC12 Number140100010308
Map
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Collection Day26
Collection Month9
Collection Year2008
Year AccuracyActual
Potential Pathwayhitch hiker on small watercraft
Statusfailed
Reference 1
Ref. Number:24104
Author:The Associated Press.
Date:2008
Title:Invasive mussels found in Grand Lake, 2 reservoirs.
Publisher:The Associated Press.
Reference 2
Ref. Number:32420
Author:Colorado Parks and Wildlife.
Date:2019
Title:State Aquatic Nuisance Species (ANS) Program, Summary for Colorado Legislators per SB 08-226
Publisher:Colorado Parks and Wildlife
Pages:11 pp.
CommentsConfirmed by lab tests. Delisted as "infested" in 2014 after 5 years of negative sampling.
Record TypeLiterature
Freshwater/MarineFreshwater
Number Collected1
Year Classveliger


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Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/9/2024].

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