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

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

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 ...

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

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

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

Then, on Jan. 3, 2025, the little pup hatched. Barrick named it Yoko, short for Onyoko, the Chumash word for shark. "She's doing great," Barrick said, noting they'll need a few months to confirm ...

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 ...

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. What ...

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 ...