The arrival of a baby swell shark at an aquarium in Louisiana has caused a wave of excitement, after the egg hatched despite ...

Experts say the case is either a rare form of asexual reproduction or an instance of (very) delayed fertilization ...

Aquarium staff have also predicted that the baby shark was a result of delayed fertilization, where fertilization occurs long ...

According to the aquarium, the shark egg was first spotted eight months ago. The shark hatched a few weeks ago and the team ...

Officials at a Louisiana aquarium are investigating the mystery of a swell shark baby that hatched despite its mother having ...

A female swell shark gives birth to a pup without coming in contact with a male, and now scientists are wondering how this is ...

A Louisiana aquarium has a new star — and a mystery ... Not only that, it said, but its team "determined that the two female sharks present in the tank had not been in contact with a male ...

The pup hatched in a tank housing two female sharks who hadn't been around any male sharks in over three years.

Yoko the swell shark was born in a habitat of all-female sharks who hadn't seen a male in years. The aquarium has two ...

The egg was discovered by aquarium staff in a female shark tank about eight months ago, but it may have remained undetected for a month or two before, according to a news release. What makes the ...