Humanoids from the Deep- Doug McClure, Cindy Weintraub, Vic Morrow-1980 IMDB 5.7/10

In the Pacific Northwest town of Noyo, townspeople support the building of a salmon cannery, but fisherman worry that it will destroy their livelihood. Humanoid sea creatures start killing residents and raping women. It's up to the townsfolk and visiting biologist Dr. Susan Drake to fight back and fend them off.