In January, a baby shark was born in a tank containing only two female swell sharks at the Shreveport Aquarium. It could be a case of parthenogenesis — a form of asexual reproduction — or delayed ...

On Jan. 3, a swell shark egg hatched at Shreveport Aquarium in Shreveport, Louisiana. The egg was discovered by aquarium staff in a female shark tank about eight months ago, but it may have remained ...

Named Yoko, which means ocean child in Japanese, the pup’s birth has baffled scientists ... complex life forms like humans and sharks only reproduce sexually, requiring a female egg to be fertilized ...

Aquarium staff have two hypotheses to explain the mysterious circumstances around young Yoko's birth. One possibility is that ...

This week scientists published a paper in the journal Ecology and Evolution that maps sightings of newborn whale sharks, ...

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

Yoko the baby swell shark was born in Louisiana's Shreveport ... though there are examples of females giving birth this way even when males have been present. "How parthenogenesis kicks in or ...