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

On January 3, the Shreveport Aquarium in Louisiana welcomed a swell shark pup into the world under mysterious circumstances: It was born in a tank that housed only two sharks—and both were female. The ...

At an aquarium in Louisiana, the arrival of a baby swell shark has caused a flurry of commotion, especially since […] ...

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

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 possible explanations — and hopes to get confirmation in the coming months.

There are two possibilities for how the swell shark may have come to be, aquarium staff said. First, the egg may have been a result of parthenogenesis, a rare form of asexual reproduction. While ...

A small shark swimming around a Louisiana aquarium holds a mystery in its DNA. Yoko the swell shark hatched from an egg that ...

The aquarium will work to determine if the baby shark was born via parthenogenesis, also known as asexual reproduction, or via delayed fertilization. A DNA analysis once the pup is big enough for ...

The aquarium will work to determine if the baby shark was born via parthenogenesis, also known as asexual reproduction, or via delayed fertilization. A DNA analysis once the pup is big enough for ...