You ever have them just jump in the boat with you (probably gonna hear some asian carp stories here)? This is just tooooo easy. Id rather have to catch them; it takes all the fun out of it. Although it is funny and interesting. http://video.google.com/videoplay?docid=-760820435866344019 Explanation: http://ask.metafilter.com/30776/Whats-the-deal-with-Incredible-Fishing-Video The video is in Brazilian. The announcer is showcasing a natural reserve and a protected river (where fishing is not allowed). The video was shot to show the natural marvel of the river's fish and to encourage people to support its preservation. He doesn't explain the behavior, however.