A female stingray that was discovered to be pregnant, despite not sharing space with a male stingray in at least eight years, has a reproductive disease according to the Aquarium and Shark Lab in Henderson, North Carolina. The aquarium first announced Charlotte the stingray was pregnant in February, but social media users have been perplexed about the lack of a birth announcement since she was expected to give birth to perhaps four pups in about two weeks.
“There have been studies done on southern rays, but we have not found any yet done on round rays,” Asexual reproduction is extremely rare but has been documented in sharks, Komodo dragons, crayfish, and even one case involving turkeys. As the Associated Press notes, there have been no documented cases of mammals reproducing asexually. A video posted to the aquarium’s Facebook on March 23 showed the stingray swimming around and noted no change in her eating, swimming, or resting behaviors.
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