Enalcyonium ciliatum n.sp., a copepod of the family Lamippidae, endoparasitic in Dendronephthia (D.) hemprichi (Klunzinger), is described from the Dahlak Archipelago, Ethiopia. Apart from unnamed, Lamippe-like copepods collected by the Siboga Expedition in Indonesia, these Ethiopian specimens are the first Lamippidae described from the Indo-West Pacific faunal region.