Live Donut Corals For Sale. Online Acanthophyllia Corals. Donut corals are the holy grail of Long Polyp Stony (LPS) Corals. Donut Corals, also known as Acanthophyllia or Meat Corals are one of the sturdiest corals to keep in an aquarium. Their rarity is due to the fact that Donut Corals cannot be fragged, and they do not reproduce so easily.