Credit: Shreveport Aquarium/Cover Images Aquarium staff in Louisiana are stunned by an extraordinary 'virgin birth' in their ...

Yoko is believed to be the result of parthenogenesis, a rare type of asexual reproduction where offspring develop from ...

Yoko, a swell shark (Cephaloscyllium ventriosum) was born in a tank inhabited solely by two adult females. The team confirmed ...

A bizarre mystery has emerged after a female shark has given birth whilst living in an all-female tank. Shreveport Aquarium, in Louisiana, were stunned when a young swell shark (Cephaloscyllium ...

Yoko' the young swell shark (Cephaloscyllium ventriosum) was born to a mum in an all-female tank at Shreveport Aquarium, Louisiana - so how was she conceived?

Yoko' the young swell shark (Cephaloscyllium ventriosum) was born in an all-female tank at Shreveport Aquarium. Amazingly, the two female sharks in the tank – one of which is Yoko's mum ...

A swell shark (Cephaloscyllium ventriosum) pup hatched at the facility on January 3, yet the two female sharks present in the tank have not been in contact with a male in over three years.