Joseph Leverton on Instagram: "🐠 5 fascinating facts about the Emperor Angelfish (Pomacanthus imperator), one of the most iconic reef fish: 1. Royal Colors: Adults have bold blue and yellow horizontal stripes with a dark mask over the eyes and a bright yellow tail, making them one of the most striking angelfish on the reef. 2. Dramatic Juvenile Transformation: Juveniles look completely different they’re dark blue with concentric white and blue rings. It can take up to 4 years for them to fully