In an unusual turn of events, a baby swell shark named Yoko was born at the Shreveport Aquarium in Louisiana. The shark was ...

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

A female swell shark gives birth to a pup without coming in contact with a male, and now scientists are wondering how this is even possible.

Staff at Louisiana's Shreveport Aquarium have been left stumped by the 'virgin birth' of a shark pup. Yoko, a swell shark pup ...

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

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

A Louisiana aquarium has been left stunned by a 'virgin birth' in its shark exhibit. Baby swell shark Yokowas born in an ...

A Louisiana aquarium welcomed a new baby shark to its facilities earlier this month, but staff are unsure of exactly where it ...

Staff at the Shreveport Aquarium in Louisiana were astonished by the birth of a baby swell shark named Yoko. The young shark hatched in a tank that housed only two female sharks, which had not ...

A baby swell shark was born in Shreveport Aquarium, even though only female sharks were present in the tank. Scientists ...

Experts say the case is either a rare form of asexual reproduction or an instance of (very) delayed fertilization ...

Officials at a Louisiana aquarium are investigating the mystery of a swell shark baby that hatched despite its mother having ...