Common name: Swallowtail angelfish

General information

The Blackspot Angelfish, Genicanthus melanospilos, also known as the Gemini Butterflyfish or Swallowtail Angelfish, is a species of marine angelfish belonging to the family Pomacanthidae. This species is notable for its sexual dimorphism, where males and females exhibit different color patterns. Males are typically larger and have a striking black spot on their flanks, from which the common name is derived. Females, on the other hand, tend to have a more subdued coloration with a series of vertical stripes.

Care

Genicanthus melanospilos is considered one of the easier angelfish to care for in a home aquarium, primarily because it is less likely to nip at corals than other angelfish species. They require a well-established tank with plenty of swimming space and rockwork to graze on microalgae. A varied diet of marine algae, mysis shrimp, and other high-quality prepared foods will help maintain their health and coloration.

Reproduction

In the wild, Blackspot Angelfish form harems consisting of one male and several females. They are broadcast spawners, releasing eggs and sperm into the water column where fertilization occurs. In the aquarium, breeding is less common, but with a well-maintained environment and a group consisting of one male and multiple females, spawning behavior may be observed.

Habitat

The Blackspot Angelfish is found in the Indo-Pacific region, particularly around reefs and lagoons. They prefer areas with strong water movement and are typically found at depths ranging from the surface to about 40 meters. Their natural habitat includes regions from the Red Sea and East Africa to the central Pacific Ocean.