Ruffe
Watermilfoil
Sea Lamprey
Zebra Mussel
Goby
Water Flea
Loosestrife
European Green Crab

Zebra Mussel

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S. van Mehelen- University of Amsterdam, the Netherlands
Identification:
(fig. A) Zebra mussels are the ONLY freshwater molluse that can firmly attach itself to solid objects- submerged rocks, dockpilings, boat hulls, water intake pipes, etc. (fig. A)
GLSGN Exotic Species Library- Ohio Sea Grant
Identification:
Zebra mussels look like: small clams with a yellowish or brownish "D"-shaped shell (fig. B), usually with dark- and light-colored stripes (hence the name "zebra").

 

Zebra Mussel Watch Card Wisconsin Sea Grant Zebra Mussel Watch Card Wisconsin Sea Grant
J. Ellen Marsden- Lake Mishican Biological Station