Scientific name: Pygoplites diacanthus
Taxonomy: Kingdom Animalia → Phylum Chordata → Subphylum Vertebrata → Infraphylum Gnathostomata → Parvphylum Osteichthyes → Gigaclass Actinopterygii → Class Actinopteri → Subclass Teleostei → Order Acanthuriformes → Family Pomacanthidae → Genus Pygoplites
Locations: Indo-Pacific
Group: Marine Life → Fish → Angelfishes
Juveniles have a white and black ringed blue spot on their rear dorsal fin and less blue. The spot fades as the fish grows up.