Periclimenella petitthouarsii (Audouin, 1826)
Palaemon Petitthouarsii Audouin, 1826: 91 .
Periclimenes Petitthouarsi — Borradaile, 1898: 381.
Periclimenella petitthouarsi — Duris & Bruce, 1995: 645 –656, figures 13–18.
Material examined 7 spms (5 ovig.Ψ), MAP151, ST092, 12°40.519’N 54°04.170’E, Hawlaf Bay, E. of Hadibo, N coast, 4–5 m, 21 March 1999, 4 spms SMF 29210, 3 spms NHCY.
Habitat: Dead Acropora (Scleractinia) .
Regional records: First reported from Yemen at Perim by Nobili (1906). Numerous records from throughout the Red Sea, Arabian Peninsula and Persian Gulf.
General distribution: Type locality: Egypt. Also known from Kenya, Zanzibar, Tanganyika, Comoro Islands and Madagascar.
Remarks: Generally common in the north western Indian Ocean and associated seas, but replaced in the rest of the IndoWest Pacific region by Periclimenella spinifera (De Man, 1902) . Overlap of the two species distribution may occur.