Deep Sea Monster Reigo (2008)

Deep Sea Monster Reigo 2008 / 深海獣レイゴー 2008 / Reigo: The Deep-Sea Monster vs. the Battleship Yamato , Shinkaijuu Reigoo , しんかいじゅうレイゴー

Set in World War II, depicts the story of the real-life Japanese battleship, the Yamato, which is confronted in the Pacific Ocean by giant monsters, including the most fearsome of them all, Reigo. (Source: Wikipedia)