A remarkably tedious imitation of *Jaws*, lacking any spark with its flimsy characters and performers who seem utterly disinterested, likely just collecting a paycheck. It had the potential to be entertainingly awful, something you might enjoy for being so bad, but ultimately it’s simply unremarkable and destined to be forgotten. **1.75/5**

This Italian film, attempting to capitalize on the popularity of “Jaws,” feels like a lesser imitation, though it does have some redeeming qualities. After several deaths occur near San Diego, a marine mammal trainer—played by Bo Hopkins—believes that ultrasonic soundwaves used in constructing an underwater tunnel are responsible. Claude Akins portrays the local sheriff. “Tentacles,” released in 1977, brought t…