Purple Death / Purple Deathstar Palythoa
A variant of Palythoa (Palythoa grandis)

Representative Palythoaphoto — a dedicated image of this exact morph isn't available yet.
Deep purple skirt with a green/teal center; one of the most recognizable named paly morphs in the hobby.
Keeper tips for this variant
Moderate light keeps the purple deep (high light browns it out); the name is apt — handle with extreme palytoxin caution and never expose open cuts.
Other Zoanthids variants
Gold/Sunny D PalythoaSunny Side Up PalythoaMaui Pink / Pink PalythoaNuclear Green / Toxic Green 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)