Beaun
It's pronounced Bone
Here is a good article on a recent study about fishes ability to learn. Some very interesting stuff in here. Might be fun to try in our aquariums at home. I always turn my pumps off when I feed, so my fish know that it is time to eat, this is a step above that.
http://www.nytimes.com/2009/10/20/science/20creature.html?pagewanted=1&_r=1&em
http://www.nytimes.com/2009/10/20/science/20creature.html?pagewanted=1&_r=1&em