A Louisiana aquarium has been left stunned by a 'virgin birth' in its shark exhibit. Baby swell shark Yokowas born in an all-female tank at Shreveport Aquarium. Experts believe Yoko's birth is due to ...

Each species has specific rituals to attract mates, and success typically comes from doing what is expected (and doing it ...

In January, a baby shark was born in a tank containing only two female swell sharks at the Shreveport Aquarium. It could be a ...

Jaguar have always disregarded national borders, but some threats are keeping the big cats contained within the territories that they inhabits. The spread of extensive monoculture plantations, illegal ...

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

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Yoko is believed to be the result of parthenogenesis, a rare type of asexual reproduction where offspring develop from ...

The three rescued cubs were relatively healthy but thin after it was determined the mother was absent for about two weeks ...

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

On Jan. 3, a swell shark egg hatched at Shreveport Aquarium in Shreveport, Louisiana. The egg was discovered by aquarium ...

Experts believe this could be a case of parthenogenesis, a rare form of asexual reproduction where a female can produce offspring without a male, or delayed fertilisation, where the fertilisation ...

The team of experts says that the two female sharks present in the aquarium have not been in contact with a male for more ...