Critical Mass
A variant of Discosoma (Red Mushroom) (Discosoma sp.)

Photo: Kevmin · CC BY-SA 3.0
Representative Discosoma (Red Mushroom) image. A confirmed image of this exact morph isn't available yet.
A dark, space-toned mushroom that mixes deep purple and pale blue with bright spots and a green edge. The balance of those colours shifts from one polyp to the next.
Other Mushroom Corals variants
Red / CrimsonBlueSupermanSuperman DiscosomaJawbreaker MushroomEclectus JawbreakerCandy Crush JawbreakerDeadpool JawbreakerLava LampKryptonite JawbreakerNorthern LightsPurple MonsterRed DevilNeglecta MushroomLeopard MushroomIronmanBlue Spotted MushroomKing's CrownStarburst MushroomStriped MushroomSpotted MushroomMetallic Aqua Mushroom