The Domino Damsel is indigenous to the Indo-Pacific region. With the presence of three white spots, it is also named as three spot Dascyllus. As these fishes get mature they become more aggressive to other tank inhabitants. Also, the Domino Damsel are very hardy and can tolerate extreme conditions which might kill other inhabitants. Therefore, the Domino Damsel is often used to ??cycle?? new tanks. The Domino Damsel is almost black with three white spots, out of which one is on each side of the middle back and one is on top just before the dorsal fin. It is a striking fish and makes a great addition to any reef tank. Being aggressive in nature, it is advisable to keep the Domino Damsel singly and not in pairs. Also, it should be introduced as a last fish to ignore its territorial nature.
The Domino Damsel is reef safe and will not harm any corals. They are omnivore in nature and mainly feed on chopped shrimp as well as flake food and plant matter such as spirulina and algae. The Domino Damsel fishes are also grazer and love to graze over the rocks, so it is recommended to keep live rocks in the aquarium with moderate lighting and flow. They should never be kept with few animals such as sharks, rays, large species damselfish, moray eels and groupers. Instead the Domino Damsel fishes are very safe to keep with dwarf angelfish, puffers, and cardinalfish. There is no distinct characteristic that differentiates male from female Domino Damsel fishes. The Domino Damsel fish surely makes the aquarium attractive with its beautiful body and draws attention to your reef tank.