Finally , zebra mussels are likely to cause a decline in the overall fish population in habitats where they become dominant .
Finally , zebra mussels are likely to cause a decline in the overall fish population in habitats where they become dominant . Finally , zebra mussels are likely to cause a decline in the overall fish population in habitats where they become dominant . Finally , zebra mussels are likely to cause a decline in the overall fish population in habitats where they become dominant . Finally , zebra mussels are likely to cause a decline in the overall fish population in habitats where they become dominant .