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.

Yoko the swell shark was born in a habitat of all-female sharks who hadn't seen a male in years. The aquarium has two ...

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

The pup hatched in a tank housing two female sharks who hadn't been around any male sharks in over three years.

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 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 ...

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 ...

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