Goblins on Fire
A variant of Zoanthids (Zoanthus sp.)

Representative Zoanthidsphoto — a dedicated image of this exact morph isn't available yet.
A bright green center ringed in blue/purple leading out to a fiery red-orange skirt, with the 'on fire' look coming from the flaming outer ring. A high-end collector zoa.
📜 Backstory
Reportedly originating from a shop in New York and now widely aquacultured and sold by Tidal Gardens, World Wide Corals, Reef Lounge Coral (as 'RL Goblins on Fire'), ReefNation and others. Featured in a reef2reef Club Zoa Spotlight thread. A collector-grade morph; exact origin traces to a single vendor account and is otherwise debated.
Keeper tips for this variant
Place mid rockwork under moderate, stable light (~125-200 PAR) and gentle-to-moderate flow; noted as a medium-slow grower, so be patient as it establishes.