Originally posted by FrozenIce
i wouldnt risk two in a twelve unless theyre really small and they'r brought up in that tank together. And since the tank is so small i would expect one to get very territorial towards the other unless bought as a mated pair.
Adult clowns who have never seen each other before can live peacefully together in a small tank, even without being a mated pair. I just don't think 12 gallons is much swimming space for two.