History of Asian Carp in the US

Here is a great link outlining the timeline of the Asian carp invasion in the US that has taken over the Mississippi River system and is threatening the Great Lakes. It explains how even "contained" fish in aquaculture systems can potentially pose a very serious threat to large ecosystems.

http://www.watershedcouncil.org/learn/aquatic%20invasive%20species/asian-carp/detailed-timeline/