Fragrant waterlilly has been found to be growing in Lake Samish.

If you boat on a lake infested with Eurasian watermilfoil or other aquatic weeds, what is the best way to prevent the plants from spreading somewhere else?

Adult quagga and zebra mussels can survive out of the water for up to 30 days.

What are inspectors looking and feeling for when they conduct a physical watercraft inspection?

Quagga and zebra mussels came to North America in the ballast tanks and on the anchor chains of large, transoceanic ships that entered the Great Lakes.

Zebra and quagga mussels attach themselves to hard surfaces tightly like superglue and are very difficult to remove without high pressure, hot water.