They can live up to 20 years in captivity.

Oysters can change from one gender and back again, depending on which is best for mating.

There's a myth that some oysters (mangrove oysters) can climb trees. That's not true, as they have no limbs to do so. What actually happens is they attach themselves to the mangrove tree roots during high tide, and when the tide recedes they're revealed.

In Japan, oyster shells are crushed into a white pigment used to decorate dolls.

25% of the New York Harbor used to be oyster beds.