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FILE - Charlotte, a round stingray, in an undated photo at the Aquarium and Shark Lab by Team ECCO in Hendersonville, N.C. The North Carolina aquarium that said it had a pregnant stingray with no male companion this winter now says the fish has died after suffering from a rare reproductive disease. The Aquarium and Shark Lab posted a statement on Facebook late Sunday, June 30, 2024 that said Charlotte had passed away. (Aquarium and Shark Lab by Team ECCO via AP)