A swell shark egg has mysteriously hatched despite no male sharks being present in the tank.<br /><br />The pup, nicknamed Yoko, hatched on 3 January 2025 at the Shreveport Aquarium in Louisiana with help from the aquarium team. <br /><br />The egg was discovered eight months ago but the Shreveport Aquarium believe it may have gone undetected for an additional two months. <br /><br />The team said the two female sharks present in the tank had not been in contact with a male for more than three years, making the birth all the more mysterious.
