Description

The Blue Koran Angelfish also known as the Semicircle Angelfish, Half-Circle Angelfish, and Halfcircled Angelfish (Pomacanthus Semicirculatus) is said to be the easiest of the Pomacanthus Angels. To a certain extent that is true. They have the same needs as other Pomacanthus, but they are just not a “touchy” making them an easier angelfish to keep. As they move into adulthood they are smart and become very personable.

Like many Angelfish, the Blue Koran Angelfish changes color when it enters adulthood. Watching an adult swim around, one may wonder where the name Semicircle Angelfish even came from. The juvenile is colored dark blue with lighter blue edging and white semicircular markings. The name describes one of the juvenile’s semicircle shaped white stripes, the one that is near the back of the tail fin. The other stripes are curved a little, but the last one has a sort of “C” shape, it can be an “O” shape in some individuals. The “C” shaped stripe can be helpful to identify the correct species when purchasing.