No. The zebra mussel is a small shellfish named for the stripedpattern of its shell. It is typically found attached to objects,surfaces, or other mussels by threads extending from underneath theshells.Zebra mussels are filter feeders. They are capable of filteringabout one liter of water per day while feeding primarily onalgae.Zebra mussels attach to any stable substrate in the water columnor benthos: rock, macrophytes, artificial surfaces (cement, steel,rope, etc.), crayfish, clams, and each other, forming densecolonies called druses.They are similar to clams that are familiar such as in clamchowder.