A sea captain, ship’s captain, captain, master, or shipmaster, is a high-grade licensed mariner who holds ultimate command and responsibility of a merchant vessel. The captain is responsible for the safe and efficient operation of the ship and its people and cargo, including its seaworthiness, safety and security, cargo operations, navigation, crew management, and legal compliance.

Sea Beast (Troglodyte) (2008) Review
A very competent telling of the bog standard sea monster movie.