The Xeniidae are a family of soft coral in the order Alcyonacea. Predatory sea slugs of the genus Phyllodesmium are reported to feed on Xeniidae species. Representatives of this family have been observed to provide shelter to juvenile fish. The family contains the following genera: \n* Anthelia glauca \n* Cespitularia sp. \n* Heteroxenia fuscescens \n* Ovabunda andamanensis \n* Xenia umbellata \n* This nudibranch (Phyllodesmium crypticum) mimics Xeniid corals it feeds on \n* Cerates of a Phyllodesmium rudmani