The birth of a shark in 2012 in the Steinhart Aquarium surprised many, as the 3 only other sharks in the aquarium were female. They hadn't had any contact with a male since 2007! However, after the DNA analysis of the new born male, he was actually born out of a sexual encounter at the aquarium. How? Well it turns out that one of the 3 females conserved a male's sperm for more than 45 months! Pretty incredible.
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