OLYMPIA, Wash. - The state Fish and Wildlife Department has closed all fishing at Capitol Lake in Olympia to prevent the spread of New Zealand mudsnails, an invasive species.
The Olympian reports the tiny snails can be transported on shoes, a dog's paw and fishing gear.
The snails showed up in the lake last November and so far they haven't spread, but fisherman are asked to scrub down their boots and gear after every fishing trip to avoid picking up unwanted pests.










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