 scientists published a paper which showed that a little tiny fish, which is called a cleaner wrasse, which is one of those fish that live on, they live on coral reefs and they're about as long as your finger. And you'll see them because they maintain those cleaning stations and the fish comes and then they clean the other fish while they're there. They can recognise themselves in the mirror. And what that seems to mean is that they are self-conscious in the way that