Sea Lamprey is a highly invasive fish in the Great Lakes that has destroyed the native chub, lake trout, lake whitefish, herring, and other fish populations. It is originally from the Northern Atlantic Ocean, but through the building of canals through the Great Lakes, the Sea Lamprey has been introduced and has since become a huge problem. Sea Lampreys have exasperated other invasive problems in the Great Lakes such as the population explosions of the invasive alewives and gobies since the apex predators in the Great Lakes were wiped out. Sea Lampreys parasatize fish by laching onto their bodies and sucking their blood until the fish dies from being severely weakened or from infection. Invasive control is underway with lampricides, electric currents, barriers, and the killing of egg nests.
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