It can move from a fertilized egg to a spat, which is when they're floating through the water, and when they're ready to attach onto another oyster, to an adult male oyster or female oyster, in a number of weeks.
牡蠣は受精卵から 卵になり、水中を浮遊します。 そして数週間の内に自分以外の、 雌雄に関らず大人の牡蠣に 付着するのです。