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 ...

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 ...

Staff at the Shreveport Aquarium in Louisiana were astonished by the birth of a baby swell shark named Yoko. The young shark hatched in a tank that housed only two female sharks, which had not ...

Shark pup Yoko was born in early January ... there are two possible ways that the egg could have produced a baby, it suggested. A phenomenon called parthenogenesis, a form of asexual reproduction ...