Crabs (Crustacea, Decapoda) from the Sea off East and Southeast Asia collected by the RV Hakuhō Maru (KH-72-1 Cruise) 1. Sulu Sea and Sibutu Passage

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Of the marine crab specimens collected by the RV Hakuhō Maru from East and Southeast Asia in 1972, the specimens from the Sulu Sea and the Sibutu Passage are identified and recorded in this first part. They comprise 17 species from 14 genera in 9 families, including three new species, Cymonomus suluensis (Cymonomidae), Homolodromia hakuhoae (Homolodromiidae), and Lysirude goekei (Lyreididae). Cymonomus suluensis is the 45^th in the genus and the 32^nd from the Indo-West Pacific, H. hakuhoae is the 7^th in the genus and the 4^th from the Indo-West Pacific, and L. goekei is the 4^th in the genus and the 3^rd from the Indo-West Pacific. Both of C. suluensis and H. hakuhoae are represented each only by one specimen obtained from the depth of 2,030 m, which is the deepest record among the known species of both genera.