Like all of their congeners the blackedged angelfish is a protogynous hermaphrodite,  starting their life as female and the dominant female may change into a male They have a lek mating system. In a lek, the large males control territories. And the more numerous females are able to move freely between the territories of the males.
The blackedged angelfish is a species of fish that exhibits a unique reproductive strategy: it's a protogynous hermaphrodite, meaning individuals start as female but can transform into male later in life. They utilize a lek mating system where males compete for territory and females choose mates from among the dominant males.