Pink / Purple Pocillopora
A variant of Pocillopora (cauliflower coral) (Pocillopora damicornis)

Photo: (c) Ryan McMinds, some rights reserved (CC BY) · CC BY
The common 'cauliflower' colour form with pink to purple verrucose branches — the most frequently traded and aquacultured morph.
Other SPS Corals variants
Green PocilloporaBird's Nest (Seriatopora)WWC Rainbow PocilloporaWWC Fallout PocilloporaORA Green DamicornisORA Pink DamicornisORA Pink & Green DamicornisNeon Green PocilloporaVivid's Toxic PocilloporaPurple PocilloporaGreen Tip Purple PocilloporaPink Cauliflower PocilloporaPink Peony PocilloporaCadmium Pocillopora