Yeah,that's what I thought.I did go and see it today and I actually enjoyed it,it was'nt as bad as some on here said but I don't see how Richard Dreyfus had a smaller part than that Back to the Future guy had.
well, of course you can't keep these piranhas in stock because that species is extinct. modern day piranhas don't look anything like the ones in the movie and definitely don't have anything near the voracious behavior shown in the movie.