

Practical Effects
Real barracudas menacing actors who clearly feared for their lives.
Direction
Director Harry Kerwin somehow made fish scary-ish.
Director
Harry Kerwin
Trivia, insights & behind the scenes
Wayne Crawford also co-wrote and co-produced; he basically willed this movie into existence between actual jobs.
Released during the brief 'nature run amok' boom post-Jaws, when every studio needed a killer something—ants, frogs, rabbits, why not barracudas?