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 ...

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

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.

On Jan. 3, a swell shark egg hatched at Shreveport Aquarium in Shreveport ... the coming months to confirm whether this was indeed a case of parthenogenesis or if it was delayed fertilization.

As the 1.5m individual gets closer, I notice it's a shark egg, also called a 'mermaid purse', and it looks one of its kind! Is this a case of cannibalism? A cheeky shark looking for an easy high ...

Earlier this month, a swell shark egg successfully hatched at the Shreveport Aquarium ... “We are very excited in the coming months to confirm whether this was indeed a case of parthenogenesis or if ...

So how does a shark egg appear, seemingly out of the blue ... in the coming months to confirm whether this was indeed a case of parthenogenesis or if it was delayed fertilization.