Raging Sharks

Raging Sharks (2005) is a horror, science fiction directed by Danny Lerner rated 4.6/10.

An oceanic observation station is in desperate trouble after a sudden shark attack wrecked the oxygen supply. The accompanying ship, a coast guard cruiser, and other ships in and around the Bermuda triangle are attacked as well. The US Navy sends a submarine to investigate, but soon they too are under attack.