Humanoids from the Deep

Humanoids from the Deep is a movie starring Doug McClure, Ann Turkel, and Vic Morrow. Humanoid sea creatures start killing a fishing town's residents, and raping their women. It's up to the town's folk, and a visiting biologist, to...
After a new cannery introduces scientifically augmented salmon to a seaside town in the Pacific Northwest, a species of mysterious, mutated sea creatures begin killing the men and raping the women.