Bullseye / Watermelon
A variant of Rhodactis Mushroom (Rhodactis inchoata)

Photo: (c) luluchouette, some rights reserved (CC BY) · CC BY
Concentric red/green/orange rings radiating from the mouth, resembling a target or watermelon pattern.
Other Mushroom Corals variants
Tonga Blue EyeWWC 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