Masked Swallowtail Angelfish: Female

Masked Swallowtail Angelfish: Female

Genicanthus semifasciatus


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Care Facts

Care Level: Moderate
Temperament: Peaceful
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 120 gallons
Max Size: 8 inches
Very few fish show sexual dimorphism, out of those few the Masked Swallowtail Angelfish, Genicanthus semifasciatus, is one of them. Females will display a creamy white color bottom half that fades to yellow towards the top half with a black band just above the eye and on the tail. Males will display more of a yellow/orange color beginning at the face and along the body with black vertical striping. 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.

I love this Masked Swallowtail Angelfish ! Pictures don’t compare to the live fish. The new addition improves my saltwater water aquarium. Everyone loves it.


Reviewed by: Joe Welsch on June 2, 2022

This is a great Masked Swallowtail Angelfish who showed up healthy and happy. He was shy at first in my quarantine tank but after moving him over to the main tank he has been quite the showman. Beautiful fish to add to a reef tank.


Reviewed by: James Thompson on May 2, 2022

Currently Masked Swallowtail Angelfish: Female does not have any questions and answers.

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