The New Zealand mudsnail is an introduced aquatic species that has invaded estuaries, lakes, rivers, and streams in Washington, Oregon, California, and many other states in the western U.S. Its small size (<5 mm), cryptic coloration, and ability to survive out of water for weeks make it an ideal hitchhiker.

New Zealand Mudsnails is a guide for  field detection and for treating field gear to prevent the spread of these aquatic invaders. It is intended for researchers, monitoring crews, watershed survey groups, and anyone else who travels frequently between aquatic or riparian locations.

The brochure is free of charge for the first 10 copies, and 50¢ each thereafter. To order, please call 541-737-4849 or e-mail sea.grant.communications@oregonstate.edu. You may also download a printable PDF of the brochure from http://seagrant.oregonstate.edu/sgpubs/onlinepubs.html