According to the aquarium, the shark egg was first spotted eight months ago. The shark hatched a few weeks ago and the team at the aquarium is working to determine how it was conceived. Once the shark is big enough for a blood draw,

Yoko, a swell shark (Cephaloscyllium ventriosum) was born in a tank inhabited solely by two adult females. The team confirmed that the two female sharks in the tank had not interacted with a male for over three years.

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.