Welcome to the Zebra Mussel and Quagga Mussel Information Resource Page


zebra mussel image Zebra and Quagga Mussel Information

blueballZebra mussel fact sheet
blueballQuagga mussel fact sheet
blueballZebra mussel FAQ (Frequently asked questions)
blueballZebra mussel vs. Quagga mussel FAQ
blueballResponses to Student Questionaires

zebra mussel image Zebra and Quagga Mussel - U.S. Distribution Information


blueball Current Combined Zebra Mussel and Quagga Mussel Sightings Distribution

blueball Current Zebra Mussel Sightings Distribution (Updated daily)
blueball Current Quagga Mussel Sightings Distribution (Updated daily)
blueball Animated Zebra Mussel Annual Distribution Map
blueball Animated Quagga Mussel Annual Distribution Map



blueball Current Zebra and Quagga mussels map (High Resolution JPEG) or pdf icon - click to download map (PDF)
blueball U. S. Distribution Maps (low resolution)

1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011. 2012, 2013

blueball Zebra and Quagga Mussel Distribution in California (JPG format)

blueball Quagga and Zebra Mussels in the Western United States (PDF) or JPEG



--Significant New Reports--

blueball Dreissenid mussel veligers found in one Montana reservoir (November 2016).

blueball Zebra mussel veligers found in the Red River in North Dakota (July 2015).

blueball Quagga mussel veligers found in Angostura Reservoir in South Dakota (August 2014).

blueball Zebra mussels found in central Texas' Belton Lake (September 2013).

blueball First quagga mussels found in Lake Powell (September 2012).

blueball Evidence of quagga mussels found in Nevada's Lahontan and Rye Patch reservoirs (May 2011).

blueball First zebra mussels found in Massachusetts, Laurel Lake (July 2009).

blueball First zebra mussel found in Texas, Lake Texoma (April 2009).

blueball Zebra mussel DNA confirmed from Electric Lake in Utah (November 2008).

blueball Both zebra and quagga mussel larvae found in four reservoirs northwest of Denver (September 2008).

blueball Zebra mussels found in Pueblo Reservoir, an impoundment on the Arkansas River, just west of Pueblo, Colorado (January 2008).

blueball Zebra mussels found in San Justo Reservoir in central California (January 2008).

blueball Zebra mussels found just upriver from Kansas City, Kansas in Perry Lake (October 2007).

blueball Quagga mussels found in the Colorado River at Lake Mead (January 2007).

zebra mussel image Photo Gallery

blueball Zebra Mussel (Dreissena polymorpha)
blueball Quagga Mussel (Dreissena rostriformis bugensis)

zebra mussel image Journals with Zebra Mussel Information


Note: Some of the documents on this page are in PDF format. Adobe Acrobat Reader or similar software is required to view them.

This page updated February 8, 2017.

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logoU.S. Department of the Interior | U.S. Geological Survey
URL: https://nas.er.usgs.gov
Page Contact Information: Pam Fuller - NAS Program (pfuller@usgs.gov)
Page Last Modified: Thursday, January 26, 2017


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. [2017]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/22/2017].

Additional information for authors