What sea lamprey and zebra mussel are part of which great lakes ecosystem probloms

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zebra mussels are a huge problem because they harm Native Species. In order for a zebra mussel to live, it must attach itself to a hard object. ... Zebra mussels contribute to biomagnification—the toxins that they filter out of the water are concentrated in their bodies, and passed on to their predators.,Large colonies affect spawning areas, potentially impacting the survival of fish eggs. These mussel species can cause millions of dollars in damage to boat engines, power plant and public water intakes by fouling infrastructure, blocking water flow and costing time and money removing them from affected structures.