These small black fish are characterised by the prominent white spots on their foreheads and sides. However, the spots are not displayed by mature adults.
Like clownfish, juvenile dominoes sometimes hide among the tentacles of anemones or the spines of sea urchins.
Dominoes are predators, hunting small zooplankton.
The domino has not been assessed for the IUCN Red List.
Also known as a threespot dascyllus and domino damsel.
Rarely grows larger than 14cm.
Inhabits coral reefs no deeper than 50m.