Neglecta Mushroom
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.
*Discosoma neglecta* domes upward like a small umbrella when open and dips inward when it closes. Most are muted green, turquoise or tan, while the prized ones show several iridescent colours.
Other Mushroom Corals variants
Red / CrimsonBlueSupermanSuperman DiscosomaJawbreaker MushroomEclectus JawbreakerCandy Crush JawbreakerDeadpool JawbreakerLava LampKryptonite JawbreakerCritical MassNorthern LightsPurple MonsterRed DevilLeopard MushroomIronmanBlue Spotted MushroomKing's CrownStarburst MushroomStriped MushroomSpotted MushroomMetallic Aqua Mushroom