Welcome to the Zebra Mussel and Quagga Mussel Information Resource Page

Zebra and Quagga Mussel Information

Zebra mussel fact sheet
Quagga mussel fact sheet
Zebra mussel FAQ (Frequently asked questions)
Zebra mussel vs. Quagga mussel FAQ
Responses to Student Questionaires

Zebra and Quagga Mussel - U.S. Distribution Information

REAL-TIME MAPS

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

PRINTABLE STATIC MAPS

Current Zebra and Quagga mussels map (High Resolution JPEG) or (PDF)
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

Zebra and Quagga Mussel Distribution in California (JPG format)
Quagga and Zebra Mussels in the Western United States (PDF) or JPEG

OTHER DISTRIBUTION INFORMATION AND MAPPING

Quagga Mussel Lakes/Reservoirs List Outside The Great Lakes
Zebra Mussel Time Series Map
Zebra Mussel Distribution in U. S. Lakes Map
Zebra Mussel Query By State

Zebra Mussel News

--Significant New Reports--

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

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

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

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

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

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

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

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

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

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

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

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

Photo Gallery

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

Journals with Zebra Mussel Information

Journals

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

For more information, contact: Amy Benson, abenson@usgs.gov

This page updated October 23, 2014.

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