Relevant Synonyms - Misidentification -  drawing : Tuvia Kurz

SHORT DESCRIPTION Carapace subtriangular, dorsal surface prominently nodose, with well defined regions. Rostrum elongate, styliform. Pre-orbital spines acuminate, post-orbital spines indistinct. Chelipeds in male longer, stouter than in female. Dactyls of walking legs curved, inner margin pectinate. color : green-brown. common size : CL 2.7 cm (max.). DISTINGUISHING CHARACTERISTICS Rostrum elongate, styliform, dorso-ventrally flattened. BIOLOGY / ECOLOGY Once recorded from the cloaca of an holothurian (Chopra, 1931). habitat : rocky or sandy subtidal, on reef, among seaweeds or Sargassum.

1st MEDITERRANEAN RECORD Tyrrhenian Sea, Italy, 1978. DISTRIBUTION Worldwide : Indo Pacific, Red Sea to Hawaii and Tahiti. Mediterranean : a single record from Sparviero Isl., Tyrrhenian coast of Italy (1978, L. Falciai, pers. comm.; identification confirmed by B. Galil). ESTABLISHMENT SUCCESS Known from a single record. speculated reasons for success : - MODE OF INTRODUCTION Probably ship-borne. IMPORTANCE TO HUMANS None.

KEY REFERENCES Falciai, L., 2003. First record of Menaethius monoceros (Latreille, 1825) (Decapoda, Majidae) in the central Tyrrhenian Sea. Crustaceana, 75(10): 1279-1283. Sakai T., 1976. Crabs of Japan and the adjacent seas. 3 Vols. Kodansha Ltd. Tokyo, 1-773, pls 1-251.   FEEDBACK / COMMENTS TO AUTHORS

Last update of the species sheet: 2009 ©ciesm 2002