Tonga Blue Eye
A variant of Rhodactis Mushroom (Rhodactis inchoata)

Illustration based on published descriptions, not a photograph of a real specimen. Individuals vary.
Classic morph with a vivid blue or teal fluorescent center disc ringed by green — the most recognizable R. inchoata look.
Other Mushroom Corals variants
Bullseye / WatermelonWWC OG Bounce MushroomWWC Sunkist Bounce MushroomWWC King Julius Bounce MushroomWWC Biohazard Bounce MushroomJF Raunchy Red Bounce MushroomJF Orange Swirl MushroomJF Mayhem MushroomJF Minecraft MushroomTSA Mardi Gras Bounce MushroomTSA Bozos Revenge Bounce MushroomPowerball Bounce MushroomCA Orange Crush Bounce MushroomCornbred Forest Fire Orange Bounce MushroomFrankenstein Bounce MushroomNeptune Bounce MushroomLava Bounce MushroomMellow Yellow Bounce MushroomBrass Monkey Bounce MushroomSuperman Bounce MushroomRed Bullseye Rhodactis MushroomGreen Bullseye Rhodactis MushroomPurple Camo Bullseye Rhodactis MushroomGodzilla Bounce Mushroom