MIAMI—The new owners of the Miami Seaquarium will no longer stage shows with its aging orca Lolita under an agreement with federal regulators. MS Leisure, a subsidiary of The Dolphin Company, said as it announced the completion of its Seaquarium acquisition that Lolita and a companion white-sided dolphin Lii will no longer be exhibited under its new license with the U.S. Department of Agriculture. “Today marks a new day for the Miami Seaquarium and all of the creatures within its care,” Miami-Dade County Mayor Daniella Levine Cava said in a statement. The 56-year-old orca was initially named Tokitae or Toki when it was captured five decades ago in the Puget Sound near Seattle. Animal rights activists say she’s the oldest orca in captivity and should live her final years back home in a controlled setting. For now, Lolita will remain at the Seaquarium, where officials said she’s healthy and eating …