Yer not actually a million miles off-target there, all you need is a noisy boat engine.
Meet the asian carp of the Illinois River.....
www.youtube.com/watch?v=jb8OmEr7VqI
( ,
Sun 15 Feb 2009, 13:32,
archived)
www.youtube.com/watch?v=jb8OmEr7VqI