The invasive quagga mussel has colonized all of the Great Lakes, tossing a wrench into the precarious balance of their ecosystems. This mussel is native to the Ukraine and was given a free ride to our vast Inland Seas in the ballast water of a ship bringing goods from far off ports.
Read the most recent update HERE. This final photo shows a mass of quagga mussels colonizing whatever they can find in the lakes. After a storm this fall, the beach along Lake Michigan was littered with these long strands of grasses and mussels. My boot is included in the shot to give scale to the cluster of mussels.