We can't wait for Piranha 3-D's ancient carnivores to start ripping the faces off unsuspecting Spring Breakers. Bring on the wet t-shirt contest, Eli Roth — you're doomed. The full-length trailer also explains how 2-million-year-old piranhas resurfaced in Lake Victoria.

Piranha 3-D will be released into the waters on August 27, 2010.

[via Yahoo]