#17 (July 15, 1993)

Editor's Note
New Sightings in Wisconsin
New Sightings Elsewhere
'Astounding' Numbers of Zebra Mussels Found on Aquatic Weeds
IAGLR Conference Highlights
Boating Restrictions Implemented
Ballast Water Regulations Completed
Their Last Supper
What's with Walleyes?
ZMU Highly Rated by Its Readers
UW Sea Grant Awarded Zebra Mussel Grants

The Zebra Mussel Update was a 4- to 8-page quarterly national newsletter published by the University of Wisconsin Sea Grant Institute from May 1990 through May 1997. The ZMU documented the spread of the zebra mussel -- an exotic nuisance mussel -- through North America's freshwater environments, especially the Great Lakes, and on efforts to control it.