Humanoids from the Deep (1980)

Humanoids from the Deep is a horror sci-fi movie released in 1980. The story revolves around a small fishing village that is terrorized by mutated sea creatures. These humanoid monsters, born from an experiment gone wrong, start attacking the villagers, leaving a trail of mass murder and chaos. As the people try to defend themselves, they uncover the dark secret behind the creatures' existence and fight to save their community from the horrifying threat.