Get updates of all things Iowa politics delivered to your inbox. Zebra mussels are small, D-shaped clams with alternating ...

By Lori Carlson, Correspondent As boats and docks come out of Prior Lake this fall, it’s clear zebra mussels have been busy since April 2009, when a Minnesota Department of Natural Resources ...

“This is our last weapon against zebra mussels before winter begins and their reproductive season ends”. The mussels are a D-shaped clam with light and dark bands on their shells. They are ...