If you have dived in the Red Sea, Indian or Eastern Pacific Ocean, you will probably have seen three-spot dascyllus. They live on coral and rocky reefs at depths of 1 to 55 m. Youngsters often live in large sea anemones, alongside the instantly recognisable Clownfish, as in our photo. Adults though leave the anemone to congregate in small groups around prominant rocks or coral outcrops.