Nuclear Green / Toxic Green Palythoa
A variant of Palythoa (Palythoa grandis)

Representative Palythoaphoto — a dedicated image of this exact morph isn't available yet.
Electric fluorescent-green polyps that glow hard under actinic light; an easy, fast-growing crowd-pleaser.
Keeper tips for this variant
Blue/actinic lighting maximizes the green fluorescence; it's a weed-grade grower, so frag and trade rather than letting it carpet the tank — gloves mandatory.
Other Zoanthids variants
Gold/Sunny D PalythoaSunny Side Up PalythoaMaui Pink / Pink PalythoaPurple Death / Purple Deathstar PalythoaMagician / Devil's Armor PalythoaAquacultured Palythoa FragMagician PalythoaArmageddon PalythoaNuclear Green PalythoaSunny D PalythoaBam Bam Orange Palythoa/ZoaGrandis 'Sun' PalythoaUtter ChaosCaptain AmericaCaptain JerkDaisy Duke's PalyRed People EaterButt MuncherSunny DWWC Emerald GrandisWWC Green GrandisPalythoa grandis (Cinnamon / Sun Paly)