Boaters, anglers should watch for zebra mussels

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With the return of warm weather just around the corner, thousands of Missourians will be taking boats out of mothballs and preparing for fishing and pleasure boating trips. If you are among these, remember that Missouri waters still are at risk of infestation by zebra mussels. The most common way these economically and ecologically damaging pests enter new waters is by hitching a ride on boats or boat trailers.

Adult zebra mussels can live for several days out of water. Their microscopic larvae can survive for weeks in boat bilge water, live wells, engine cooling-water systems and bait buckets.

To help prevent the spread of zebra mussels:

• Inspect your boat and trailer thoroughly, and remove any trash, mussels or aquatic weeds after each outing.
• Drain water from the motor, live well, bilge and transom wells and other parts of your boat.
• Dump leftover bait in trash receptacles away from the water.
• Rinse boat, trailer and equipment (including live wells, bilge and cooling systems) thoroughly with hard spray from a garden hose, and allow to dry for at least 48 hours. If your boat or equipment was used in zebra mussel-infested waters, use a commercial car wash with hot water.
• Dry boat, motor, trailer and equipment thoroughly in the hot sun before using again.
• Learn to identify zebra mussels. Adults have a distinct triangular shell, with a striped pattern. They can reach 2 inches, but most are fingernail-sized.

To report a potential zebra mussel sighting or for additional information, contact a Department of Conservation office (see page 1 for a list of regional office phone numbers). For more information see below.