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.
Tiram dapat berubah dari telur menjadi seekor larva, yaitu ketika mereka melayang di air, dan ketika mereka siap menempel ke tiram lain, ke tiram jantan atau betina dewasa dalam beberapa minggu.