A Louisiana aquarium welcomed a baby shark born under mysterious conditions, the aquarium said Friday. The swell shark, nicknamed Yoko, hatched on Jan. 3, according to the Shreveport Aquarium.

The swell shark pup, "Yoko", hatched in January from an egg lain in a tank occupied only by two female sharks, neither of whom had encountered a male in more than three years. Yoko's health is ...

A Louisiana aquarium has a new star — and a mystery — on its hands after a baby shark was born in a habitat without any males. The Shreveport Aquarium announced last week that Yoko the swell ...

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 ...

Despite the lack of male sharks in the enclosure, there are two possible ways that the egg could have produced a baby, it suggested. Yoko the baby swell shark was born in Louisiana's Shreveport ...

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