Giant / Drooping Xenia (Anthelia-type)
A variant of Pulsing xenia (Xenia sp.)

Representative Pulsing xeniaphoto — a dedicated image of this exact morph isn't available yet.
Taller, larger-polyped 'giant' or non-pulsing drooping xenia (often Anthelia), with longer stalks that may or may not pulse.
Keeper tips for this variant
Anthelia-type xenia encrusts the rock and is even harder to remove than pulsing xenia — never put it on your main aquascape unless you want it everywhere.
Other Soft Corals variants
Pom-pom (pulsing) xeniaSilver/blue tip xeniaRed Sea xenia (Xenia umbellata)Silver / White Pulsing XeniaPink / Red Sea XeniaBlue / Neon XeniaSustained-Pulse Red Sea XeniaPom Pom Xenia (Pulsing Xenia)Silver Tip / Blue Xenia (Heteroxenia)Red Sea Pulsing XeniaPink / Purple XeniaSilver Branch Pulsing Xenia (Xenia elongata)Pom Pom XeniaBlue Cespitularia (Blue Xenia)Red Xenia