Nightcrawler
A variant of Palythoa (Palythoa grandis)

Photo: Nhobgood Nick Hobgood · CC BY-SA 3.0
Representative Palythoa image. A confirmed image of this exact morph isn't available yet.
A very large paly with red streaks running across each polyp. Bold bands of green and orange in the skirt make it easy to spot.
Other Zoanthids variants
Sunny Side Up PalythoaMaui Pink / Pink PalythoaPurple Death / Purple Deathstar PalythoaMagician / Devil's Armor PalythoaMagician PalythoaArmageddon PalythoaNuclear Green 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)Royal PurpleSeductionLord of the RingsMind TrickYodaPetroglyphHallucinationTyree Space MonsterBlue Death