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 possible explanations — and hopes to get confirmation in the coming months.
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Exogenous call concentrations of female hormones can influence epigenetic expression regulation modulating sexual morphology in fish (blue-headed wrasse a great example), and even influence mammals like humans ("McClintock Effect").
I apologize for an improperly edited response; I started to write "cell", thought better to delete it, began with "concentrations", and the auto-edit somehow filled in the blanks.
All of the print, radio, television and online news being presented to you 24/7/365 and all you could find to complain about was this? You're hilariously ridiculous.😛
Remember when everyone was obsessing over that mysteriously pregnant stingray last year? People followed the story for months, but it never gave birth.
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“A woman needs a man like a fish needs a bicycle.”
https://www.livescience.com/aquarium-shark-virgin-birth.html#
some shark species have some really cool characteristics
It's why I strongly believe we are not alone in the universe.
More stories about female animals reproducing without the help of males please!!!