it jumps out from its hold and either just grabs the fish and swollows hole or just give it a nasty big bite and lets the fish swim round till its about dead then finishes it off and eats it. A diffrent friend has one of this suckers.

red belly piranha

 

sweet!! killer fishes

 

Don't watch this if you like mice
http://video.google.com/videoplay?do...&plindex=1
That is what happens when he feeds them. He loves them but hates cleaning the tank often.

 

sweet little fishies aaaaaaaaahahaha

 

Those fish are awesome!

 

i have that same damn cat skull in my fish tank