Japanese Swallowtail Spotbreast Angelfish Male- South Pacific

Genicanthus melanospilus


(1 Reviews)

Japanese Swallowtail Spotbreast Angelfish Male- South Pacific
Japanese Swallowtail Spotbreast Angelfish Male- South Pacific
Japanese Swallowtail Spotbreast Angelfish Male- South Pacific

Japanese Swallowtail Spotbreast Angelfish Male- South Pacific

Genicanthus melanospilus


(1 Reviews)

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Care Facts

Care Level: Moderate
Temperament: Peaceful
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 120 gallons
Max Size: 9 inches
Very few fish show sexual dimorphism, out of those few the Japanese Swallowtail Angel, Genicanthus melanospilos, is one of them. Males feature a silver/white body with black vertical stripes across its body up to is head with yellow and blue markings on its forked tail. Females feature a snow-white body with a bright yellow splash on its back and a black stripe on the top and bottom of the tail. Since they are more peaceful than many other Angelfish, they can be kept as a mated pair, or in a small school of females. Avoid keeping two males in the same tank, as it can lead to extreme aggression. 

These Angelfish are also unique in the way that they are reef safe, and will not nip at soft and stony corals, or sessile invertebrates, making them a great choice for an Angelfish in a reef tank setting. Diet should include a variety of spirulina, marine algae, high quality angelfish preparations, mysis and brine shrimp, 3 times daily.



Japanese Swallowtail Angelfish (Genicanthus melanospilus) for Saltwater Aquariums

The Japanese Swallowtail Angelfish, scientifically known as Genicanthus melanospilus, is a captivating marine species suitable for saltwater aquarium enthusiasts. This species is sought after for its unique appearance and relatively straightforward care requirements, making it an excellent addition to your marine setup.

Japanese Swallowtail Angelfish Habitat:

The Japanese Swallowtail Angelfish originates from the coral-rich waters of the Western Pacific Ocean. It dwells in and around coral reefs and rocky areas in the wild.

Reef Compatibility with Japanese Swallowtail Angelfish:

This species is considered reef-safe as it typically does not harm or disturb corals and other reef invertebrates. However, as with any marine fish, individual behavior can vary, so closely monitoring their interactions with corals is wise.

Japanese Swallowtail Angelfish Size and Lifespan:

In captivity, Japanese Swallowtail Angelfish can grow to a maximum length of approximately 6 to 7 inches (15 to 18 centimeters). They can live for an average of 10 to 15 years with proper care.

Diet in Captivity for Japanese Swallowtail Angelfish:

To maintain the health and vibrancy of your Japanese Swallowtail Angelfish, it is essential to provide a well-balanced diet. They are omnivorous and thrive on a diet of high-quality marine pellets, flake foods, and various frozen foods such as brine, mysis, and spirulina.

Aquaculture Availability of Japanese Swallowtail Angelfish:

Japanese Swallowtail Angelfish are not available through aquaculture. Most specimens available to hobbyists were sourced from the wild.

Compatibility with Other Fish and Invertebrates for Japanese Swallowtail Angelfish:

The Japanese Swallowtail Angelfish is generally peaceful and can coexist with other marine species. Compatible tankmates include:

  • Clownfish (Amphiprioninae): Various clownfish species are known to be compatible with the Japanese Swallowtail Angelfish due to their gentle nature.
  • Firefish Goby (Nemateleotris magnifica): These colorful gobies are peaceful and can share an aquarium with the Japanese Swallowtail Angelfish.
  • Royal Gramma (Gramma loreto): Royal Grammas are relatively small and non-aggressive, making them suitable tankmates.
  • Purple Firefish (Nemateleotris decora): These fish are known for their striking appearance and peaceful disposition.
  • Six Line Wrasse (Pseudocheilinus hexataenia): Six Line Wrasses are active swimmers and can coexist peacefully with the Japanese Swallowtail Angelfish.

Sexual Dimorphism in Japanese Swallowtail Angelfish:

Japanese Swallowtail Angelfish do not exhibit significant sexual dimorphism, meaning it is challenging to distinguish males from females based on physical characteristics alone.

Temperament of Japanese Swallowtail Angelfish:

The Japanese Swallowtail Angelfish is known for its generally peaceful temperament. However, like many angelfish species, it may become territorial as it matures. Ensuring adequate hiding spots and space in the aquarium can help mitigate potential aggression.

Tank Requirements for Japanese Swallowtail Angelfish:

To provide the best environment for your Japanese Swallowtail Angelfish, consider the following tank requirements:

  • Minimum Aquarium Size: A tank with a capacity of at least 75 gallons is recommended to accommodate their size and swimming behavior.
  • Water Conditions:
    • pH: Maintain a stable pH level between 8.1 and 8.4.
    • Salinity: Keep the salinity in the range of 1.020 to 1.025.
    • Water Temperature: Maintain the water temperature within the range of 75-82°F (24-28°C).
    • Water Flow: Moderate water flow is suitable to mimic their natural habitat.

Common Names of Japanese Swallowtail Angelfish:

The Japanese Swallowtail Angelfish is also known as the Blackspot Angelfish.

Why Choose Saltwaterfish.com for Japanese Swallowtail Angelfish:

When considering where to purchase your Japanese Swallowtail Angelfish, Saltwaterfish.com offers several advantages:

  • Extensive Selection: Saltwaterfish.com provides a diverse range of marine fish, including the Japanese Swallowtail Angelfish, ensuring you can find the perfect addition to your aquarium.
  • Quality Assurance: They prioritize sourcing healthy and vibrant specimens to give your new aquatic companion the best start.
  • Expertise: With years of experience in the marine aquarium industry, Saltwaterfish.com can offer valuable advice and support to ensure your success as a marine hobbyist.
  • Convenience: Ordering from Saltwaterfish.com provides a convenient way to access a variety of marine species, with shipping options available to deliver your fish safely to your door.

In conclusion, with its captivating appearance and manageable care requirements, the Japanese Swallowtail Angelfish can be a unique addition to your saltwater aquarium. By providing the appropriate habitat, tankmates, and diet, you can enjoy the beauty of this species while ensuring its well-being and longevity in your care. Consider Saltwaterfish.com as your trusted source for acquiring a Japanese Swallowtail Angelfish to enhance your marine aquarium experience.

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