Originally Posted by DROGTURIST
I assume Old Bitey is the giant fish that's in the lake during the "rushing water" event - how do you kill that guy? I suck at anything underwater in this game.
It seems, to me at least, a lot easier in the PC version.
Basically, you'll get the journal entry if you allow IT to kill you, though you risk the death-blow being struck by a regular piranha in that case.
In order to KILL Ol' Bitey, however, you're probably going to want to bring a jetpack and a shotgun, your two best friends in almost any situation. At LEAST a shotgun, if nothing else. A few direct blasts should do it. Do try to avoid being in the water the entire fight, dodging around on any available land can and should improve your odds for survival.