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

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

Aquarium staff have also predicted that the baby shark was a result of delayed fertilization, where fertilization occurs long ...

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

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

Shark pup Yoko was born in early January, Shreveport Aquarium said, having hatched from an egg in a tank containing two female sharks but no male ones. In fact, neither of the sharks that could ...

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

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