so the aquarium is keeping the mysterious baby shark under close observation. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to ...

The arrival of a baby swell shark at an aquarium in Louisiana has caused a wave of excitement, after the egg hatched despite ...

The swell shark, nicknamed Yoko, hatched on Jan. 3, according to the Shreveport Aquarium. What makes the birth mysterious is that the tank is home to two female sharks who haven't been in contact ...

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