Norbert Wu / Jellyfish (Mastigias sp) in polyp stage eats another kind of Jellyfish in landlocked lake, Kakaban Island

Norbert Wu / Papuan Jellyfish (Mastigias papua) in rare landlocked lake, Kakaban Island, Borneo

Norbert Wu / Upside-down Jellyfish (Cassiopea xamachana) in rare landlocked lake, Kakaban Island, Borneo

Norbert Wu / Polyp stage of Jellyfish in rare landlocked lake, Kakaban Island