Yellowbar Angelfish (Anfooz) Pomacanthus maculosus were also amoung the first inhabitats of the Reef Balls being highly reef associated. There were often territorial displays like the above as the Angelfish jockey for residency rights on the newly laid Reef Balls. Their appearance is an excellent indicator that the designed artificial reef is providing good EPVS (Effective Protective Void Space) essential to create productive reef ecosystems.
