Super Nova
A variant of Psammocora (sandpaper coral) (Psammocora contigua)

Photo: (c) Nicola Crockford, some rights reserved (CC BY) · CC BY
Representative Psammocora (sandpaper coral) image. A confirmed image of this exact morph isn't available yet.
A Psammocora with a dark purple-brown base, blue tentacles and bright green corallite centres. Those green and blue spots against the dark body inspired its name.
Other SPS Corals variants
Green Sandpaper PsammocoraBranching PsammocoraCat's Eye / two-tone PsammoMonster JamCity LightsDeep SpaceHarvest MoonGrasshopperGoldenWatermelonMidasFireworksSundropForest GreenKelly Green BranchingAutumn HarvestSunriseGolden CharmSweet and SourJohn DeereToxic Waste PsammocoraOrange Psammocora superficialisBlue Psammocora superficialis