Green Cactus Pavona
A variant of Pavona (cactus / potato chip coral) (Pavona cactus)

Illustration based on published descriptions, not a photograph of a real specimen. Individuals vary.
The classic 'potato chip' form with green fluorescent contorted plates — the most commonly traded morph.
Other SPS Corals variants
Pavona maldivensis (encrusting)Pavona decussataORA Mint PavonaBiota Mint PavonaWWC Emerald PavonaWWC Golden PavonaWWC Copper PavonaFreak Hair PavonaNeon Green PavonaNeon Green Encrusting PavonaBlue PavonaPurple PavonaOrange Pavona (maldivensis)Metallic Orange Pavona maldivensisJack O Lantern Pavona maldivensis