Additional slipper lobsters of the subfamily Scyllarinae Latreille, 1825 (Crustacea, Achelata, Scyllaridae) from Taiwan Author Yang, Chien-Hui Author Lin, Chia-Wei Author Chan, Tin-Yam text Zootaxa 2014 3852 3 336 346 journal article 10.11646/zootaxa.3852.3.3 f2763f93-0315-437f-8e97-fea92db856eb 1175-5326 224749 14AEF4D1-2F2B-4C8D-A4B9-137B1A274988 Crenarctus bicuspidatus ( De Man , 1905 ) ( Figs. 4 , 6 C) Arctus bicuspidatus De Man 1905 : 589 ( type locality: Indonesia ). Crenarctus bicuspidatus .— Holthuis 2002 : 664 , figs. 64–65, 69 F.—Chan 2010: 161, fig. F.— Kim et al . 2013 : 117 , figs. 3, 4, 11B–C. FIGURE 4. Crenarctus bicuspidatus (De Man, 1905) , male 13.9 mm cl (NTOU M01295 ): A, carapace, dorsal view, with right anternnal segment IV deformed; B, abdominal tergties I-III, dorsal view; C, thoracic sternum; D, pereiopod I; E, pereiopod II; F, pereiopod III; G, pereiopod IV; H, pereiopod V. All right pereiopods. Scales = 5 mm. Material examined . Kaohsiung City, Zuoying, R.V. “Ocean Researcher III”, 9 Jan 2003 , 1 male 13.9 mm cl ( NTOU M01295 ). Penghu County, SCUBA diving, 21 Aug 2011 , 1 male 11.8 mm cl (NMMBCD4007). Diagnosis . Rostral and pregastric teeth present. Gastric tooth replaced by 2 tubercles. Cardiac tooth low and as 2 blunt tubercles. Orbital carina generally smooth and with 2 large teeth anteriorly. Medial incision on posterior margin of carapace deep. Abdomen with arborescent sculpture, without median dorsal carina. Posterior margin of abdominal tergites I–IV distinctly incised medially. Abdominal pleura II–IV each terminated in sharp point. Anterior margin of antenna segment VI bearing 6 or 7 large teeth. Antennal segment IV without additional carina, bearing 3–6 small teeth on anterior margin and 2 large teeth on outer margin. Dactylus of pereiopod II longest in all pereiopods. Propodus of pereiopod III bearing 2 parallel setose grooves. Anterior part of thoracic sternum with a large “U”-shaped notch, followed by a deep median suture, lateral angles strongly protruding forwards. Only last thoracic sternite bearing large median tubercle. Coloration . Body generally dark greenish brown. Middle of abdominal tergite I bearing a large black spot with thick whitish brown rim. Eyes dark brown. Pereiopods pale yellowish with dark blue bands. Distribution . Widely distributed in the Indo-West Pacific from South Africa to Japan and New Caledonia ; at depths of 2– 108 m . Remarks . The genus Crenarctus , containing only two species, is reported for the first time from Taiwan . Crenarctus bicuspidatus is a very widely distributed species and its general body color appears to have large variations. Photographs of New Caledonian ( Holthuis 2002 ) and Korean ( Kim et al . 2013 : fig. 11B) specimens as well as an underwater photographs from an unspecified locality ( Humann & DeLoach 2010 ) show an orangish body. Another photograph of a Madagascan specimen (Chan 2010) shows a body color of half orange and half dull green. The coloration of the two Taiwanese specimens and a Korean specimen ( Kim et al . 2013 : fig. 11C) are very similar and generally dark greenish brown. Nevertheless, all show a large median spot on the abdominal tergite I (though this spot is sometimes orange with a dark transverse band) and banded pereiopods.