Barbonius Anthias - IndonesiaOdontanthias borbonius Anthias are known for being brightly colored and will make an exquisite display when added in a harem. They can be added in groups of at least three, but will do much better in a harem size of 6 or 9. Usually, one in the group will morph into a male, and a male can be added for every 4 or 5 females, which gives a much more completed look. The males will protect the females, making for a really great show. Due to their increased