Staff at Louisiana's Shreveport Aquarium have been left stumped by the 'virgin birth' of a shark pup. Yoko, a swell shark pup, hatched on January 3 in an all-female tank that had not seen a male shark ...

Credit: Shreveport Aquarium/Cover Images Aquarium staff in Louisiana are stunned by an extraordinary 'virgin birth' in their shark exhibit. At Shreveport Aquarium, a young swell shark named 'Yoko' was ...

In January, a baby shark was born in a tank containing only two female swell sharks at the Shreveport Aquarium. It could be a ...