The Blue tail line Australian/Darwin's B & W Ocellaris is quite possibly the rarest black & white Ocellaris in existence. This very rarest is another iBluewater find. Have a look at the pic below, notice the completely blue 3rd bar. (bar closest to its caudal fin) Breeder's & Hatcheries this specimen is a must have, separate yourself from your competitors. Call or email us to acquire this rare gem.