A baby swell shark hatched at the Shreveport Aquarium despite no male sharks being present for three years, according to the ...

A swell shark egg has mysteriously hatched despite no male sharks being present in the tank. The pup, nicknamed Yoko, hatched on Jan. 3 at the Shreveport Aquarium in Louisiana with help from the ...

The little shark pup was born without the help of a daddy shark. Photo: Shreveport Aquarium ...

Officials with the Shreveport Aquarium recently announced the unusual birth of a swell shark pup in a tank where only two female sharks were present. Named "Yoko" from the Chumash word "onyoko," ...

A swell shark hatched at Shreveport Aquarium in Louisiana ... Aquarium staff confirmed neither of the female sharks in the tank had been around a male in over three years.

A Louisiana aquarium is investigating how a baby shark hatched without a male present for three years. Experts suspect delayed fertilization or parthenogenesis, a rare form of asexual reproduction.