Originally Posted by illusion

Same as fish, they are neat to watch, and especially neat when it's feeding time. My favorite pet ever were 4 piranha I had when I lived in CT(too bad they're illegal here). I bought them as these cute little dime sized things that ate bologna and ham, and ended up about 6"s across and ate a mouse or small rat once a week My cat was missing the end of his tail from dangling it the tank and not paying attention to the funny little fish with great big teeth. Feeding was a blast, you'd chuck a live mouse in the tank, close the hood, and watch it swim for dear life for about 10 seconds until the fish realized it was there then it was about a minute of utter carnage and time to turn the secondary filter on to help get that odd hue out of the water.