Marine biological invaders arrive

Question

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Marine biological invaders can arrive through all of these methods. Ballast water, which is taken on by ships to maintain their stability, can contain a variety of organisms that are then discharged when the ballast is released. Commercially harvested shellfish can also carry invasive species, as the shellfish may have been harvested from areas where non-native species are present. Home aquariums can release non-native species into the environment if the owner decides to release their aquarium pets into the wild. Seaplanes and small boats can also transport invasive species if they are not properly cleaned and maintained.

Marine Biological Invaders Arrive