(Portland, OR)  --  The Oregon Department of Fish and Wildlife is warning aquarium owners about a product at pet stores that could include invasive zebra mussels.  The product is called Betta Buddy Marimo Ball.  Invasive zebra mussels can grow uncontrolled in lakes and rivers.  Officials are urging anyone who has purchased the product to boil it before throwing it away and sterilizing their aquarium.