Scientific name : Dascyllus aruanus
Family : Pomacentridae (damselfishes and clownfishes, 418 species)
Size : Up to 10 cm
Distribution : Tropical Pacific
Biology : The whitetail dascyllus is a very territorial species. Adults use branching corals for cover, while juveniles prefer to hide in anemones, just like clownfish.
IUCN status : Least concern