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 protogynous hermaphrodite, meaning it starts life as female and the dominant female can change into a male. They use a lek mating system where large males control territories while numerous females are free to move between them.