Dark Matter Hammer
A variant of Hammer coral (Euphyllia ancora)

Photo: Diego Delso · CC BY-SA 4.0
Representative Hammer coral image. A confirmed image of this exact morph isn't available yet.
A branching hammer that starts aqua low down and darkens to deep purple further up the tentacles. Few hammers show this pairing.
Other LPS Corals variants
Gold HammerToxic Green HammerGreen Hammer (Wall)Branching HammerGold Torch / 24K HammerOrange HammerBranching Green HammerWall (Octopus) Green HammerRainbow Branching HammerSplatter Branching HammerGolden Splatter Branching HammerNeon Splatter Branching HammerHoly Grail HammerIndo Gold Branching HammerAussie Gold HammerGold Wall HammerCornbred Dreamsicle HammerGold Rainbow Mint HammerGolden OctospawnRainbow OctospawnGold Tip FrogspawnPrince of Darkness HammerHologram HammerPurple Tip HammerSupernova HammerTeal Branching HammerFrammerAussie Teal Tip FrammerPurple & Peach FrammerIndo Purple FrammerBlacktip Hammer