We don't recommend to keep a swarm. When the fish grow older they use to get more agressive. Better kept as pair. Likes to hide between the branches of acropora corals.
Pomacentrus marginatus Rüppell, 1829
Classification: Biota > Animalia (Kingdom) > Chordata (Phylum) > Vertebrata (Subphylum) > Gnathostomata (Superclass) > Pisces (Superclass) > Actinopteri (Class) > Perciformes (Order) > Labroidei (Suborder) > Pomacentridae (Family) > Dascyllus (Genus) > Dascyllus marginatus (Species)