Jp or armand would know better than me (not really a pygo guy), but as far as I can tell these are Pygocentrus nattereri aka red belly piranha. Even at that size you can tell the difference in the jaw between these guys and pacu. Good lookin' fish too, and a loooooong ways from home.
congratulations. you finally found 'em!
here's a link to the thread that explains how to tell them apart:
http://www.monsterfishkeepers.com/forums/showthread.php?t=61138
congratulations. you finally found 'em!
here's a link to the thread that explains how to tell them apart:
http://www.monsterfishkeepers.com/forums/showthread.php?t=61138



