The Tamagotchi Ocean (海で発見！たまごっち, Umi de Hakken! Tamagotch, meaning Ocean Discovery! Tamagotchi, also known as the Oceangotchi and Umino Tamagotchi or Umi No Tamagotchi) is an ocean life-themed Tamagotchi released in Japan and America in March 1998. The Tamagotchi featured a motion sensor, similar to the Tamagotchi Angel, which was used to scare underwater predators away.