well that's not the video anyway. It's a very small (viewing size) clip of one cracking a snail's shell or something like that.
did everyone notice the bioluminesence in this one i love that traitfishnthings said:no tank breaking... found one of a mantis catching a fish.. not the best but its something
http://www.berkeley.edu/news/media/releases/2003/11/images/shrimp_video.mpg
rayman45 said:they break the tank because when they dig they see their reflection and try to kill it