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 ...