QI: Shark Sex

Sex…AND Sharks! Now that I have you attention!…

Q: How many penises does a male shark have?
A: One?
Q: BUZZZ. Nope. Two penises. “He uses only one at a time, depending on which side of the female shark he finds himself.”
One is used for depositing and the other is used for “holding on”. Ducks famously have multiple vaginas (so they can choose which of the many male ducks who take her forcibly to actually sire her children). Sharks have multiple penises.

That’s not all they use to literally embrace their beloved. Male sharks also use their teeth used to hold onto female shark (so much so that “female sharks tend to have thicker skins than males and bigger bodies in order to withstand the results of a male shark trying to hang onto her with his teeth” (up to 3x thicker). Now THAT’s a love bite!

Q: Since sharks are fish and not mammals, how many ways can sharks give birth?
A: One (laying eggs)?
Q: BUZZZ. A number of shark are indeed oviparous (lays eggs), but a number of species are viviparous (give birth live).
A: So two??
Q: BUZZZ. Some shark species are actually ovoviparous meaning that the eggs hatch in the oviduct within the mother’s body and that the egg’s yolk and fluids secreted by glands in the walls of the oviduct nourishes the embryos.

Leave a Reply

Your email address will not be published. Required fields are marked *

Post Navigation