Ruthless piranhas part of a top secret military project are accidently released and start to kill people.

Effective low-budgeter piles on the blood, but never gets too stupid. Dante made his directorial debut with this entertaining flick.

Remade for cable in 1995. Followed by a sequel.

Directed By: Joe Dante.
Written By: John Sayles.

Starring: Bradford Dillman, Heather Menzies, Kevin McCarthy, Keenan Wynn.