The Dolphin show and stadium was removed shortly after Paramount took over. Interest had wained, and the cost was not worthwhile.
The staduim was indeed it's own entity and sat next to the International Showplace. Shows were scheduled so that the sounds of the International Showplace performance did not contrast the aquarium show.... and vise versa.
The reason people recall both Sea Lions and Dolphins is because they were rotated out year-to-year. They were on a three year rotation between parks. Dolphins one season, trained Birds the next, followed by Sea Lions.
The Wild Animal Safari Monerail was closed after the 1993 season. The animals had died off and interest was gone. The park saw no need to keep the costly attraction with just a handful of animals. The Monerail trains sat on property behind Timberwolf Amphitheatre until 1998 when they were sold (along with the squirting Blue Elephant fountain from Hanna Barberra Land) to Jungle Jims in Fairfield Ohio. The park debated for several years what to do with the old Monerail. But the building of Outer Limits and proposed expansion of Action Zone took precidence.
Shaggy