A highly adaptable species.They are common amphibian reletives of the salamander.Some theorize that they may be related to the piranha. The Pirack reproduces sexually and produces sea green eggs.It's natural habitat is at the river bottom on it's home planet Oceanus.They have a diet of smaller fish and ocasionaly seaweed.Their main method of hunting is to fire a poisonous substance from an organ in it's throught called a Sydia.They uses thier web like apendeges to swim.The fins on it's cheeks are a method of propulsion.Several inturnal lung like organs pump water through these adaptations.This not only helps the creature a speedy chase but the Pirak uses it to atrack mates.