Deep Star Six

DeepStar Six is an American 1989 science fiction horror film about the struggles of the crew of an underwater military outpost to defend their base against the attacks of a monster (possibly, a giant eurypterid).
The film's main principal starring lead actors and supporting players included Taurean Blacque, Nancy Everhard, Cindy Pickett, Miguel Ferrer and Matt McCoy. DeepStar Six is one of myriad underwater-themed movies released around 1989, including Leviathan, The Evil Below, Lords of the Deep, The Rift (Endless Descent) and The Abyss, the latter of which was the only successful entry among these aforementioned movies both at the box office and with film critics; The Abyss would additionally go on to win the 1990 Oscar for Best Visual Effects, and would be nominated for Best Art Direction-Set Decoration, Best Cinematography and Best Sound, as well.