Meet the snails that don’t need Cupid | Natural History Museum

Meet the snails that don’t need Cupid | Natural History Museum


Most land snails are promiscuous, mating with
multiple partners. They can either use the sperm they receive to fertilise their eggs, or they store it and digest it. Love darts are a way of transferring hormones
from one snail to another. These hormones stop the recipient from digesting
the sperm and guide more of them to the eggs, where they are fertilised. This is great for the darter but not for the
dartee. Studies have shown that the darted snails
have fewer offspring and have shorter lives. Love darts are another weapon in the ongoing
battle of the sexes.

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