The Pirates of Dark Water is an American fantasy animated television series. The series premiered as a five-part miniseries on Fox Kids early 1991, simply entitled Dark Water. Prince Ren sails around the alien world of Mer on a ship called the Wraith, searching for the "Thirteen Treasures of Rule" The treasures are prophesied to save Octopon and Mer from the threat of the Dark Water, an all-consuming black sentient liquid that has taken over the seas. The ecomancer Tula, a monkey-bird Niddler, and the treasure-hungry pirate Ioz help Ren on his journey.
Ren, the son of the dying King Primus of Octopon, sails around the alien world of Mer on a ship called the Wraith. His loyal crew of misfits are the ecomancer Tula, a monkey-bird Niddler, and the treasure-hungry pirate Ioz.