Razorteeth

When an airplane stocked with the fruits of a failed U.S.-Russian experiment crashes into a popular resort lake, throngs of piranhas with razor-sharp teeth begin to multiply and thrive in the waters. Soon enough, dozens of unsuspecting resort guests start to go missing, victims of a tourist trap of the deadliest kind. Now, the only hope may be a determined government agent sent to stop the human smorgasbord. (netflix.com)