A new species of mud shrimp of the genus Espeleonaushonia Juarrero & Martinez-Iglesias, 1997 (Decapoda: Gebiidea: Laomediidae) from Palau

A new species of Espeleonaushonia is described from a single specimen collected in an underwater cave in Babeldaob Island, Republic of Palau. The new species is placed in Espeleonaushonia based on the following characters: exopod of third maxilliped well developed, propodus of first pereopod with spines on dorsal surface and along mesial and lateral margins; second pereopod not chelate with dactylus densely setose, fifth pereopod with simple dactylus, fourth to sixth abdominal pleura with serrate ventrodistal angle, and both rami of uropods completely divided. The description of this new species represents the first report of the genus from the tropical southwest Pacific.