this article goes against what a lot of people have been saying about snakeheads devastating native fish populations. it actually says, "snakeheads appear to have had little discernable impact on the native ecosystem"
http://news.nationalgeographic.com/news/2006/10/061003-snakeheads.html
http://news.nationalgeographic.com/news/2006/10/061003-snakeheads.html