sentences:  In 1989, the aquarium's second temporary exhibition, titled "Living Treasures of the Pacific", included three jellyfish tanks following the successful display of one tank of moon jellies four years earlier in 1985.In 1992, the first temporary exhibition for jellyfish opened, called "Planet of the Jellies", the success of which prompted a permanent jellyfish gallery within the Open Sea wing in 1996.Within 20 years of opening Planet of the Jellies, the aquarium created two more temporary exhibitions centered on jellyfish.