Fig 4 - uploaded by Seok Hyun Lee
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Neoxanthops lineatus, female (cl 12.2 mm, cw 18.7 mm). A, Dorsal view of carapace; B, Third maxilliped; C, Dorsal view of left cheliped; D, Ventral view of left cheliped; E-H, First to fourth ambulatory legs; I, Abdomen. Scale bars: A-I= =1 mm. cl, carapace length from the tip of frontal margin to the posterior dorsal margin of the carapace; cw, the width of the carapace measured at the widest part.
Source publication
Three xanthid crabs, Liomera margaritata, Neoxanthops lineatus and Pilodius miersi, are described and illustrated for the first time in Korea. Liomera margaritata and N. lineatus are the first species of their genera to be found in Korea. The three species represent extensions of their previously known ranges and bring the number of known species o...
Contexts in source publication
Context 1
... into 1R + +2R in his description, but, 5L is completely divided into 1R + +2R in our specimen. Korean name: 1 * 주름부채게속 (신칭), 2 * 주름부채게 (신칭), 3 * 줄무늬부채게속 (신칭), 4 * 줄무늬부채게 (신칭) Terada, 1982: 169. Neoxanthops lineatus: Guinot, 1968: 700, fig. 16; Sakai, 1976: 436, Pl. 157, fig. 1; Takeda, 1978: 40;Serène, 1984: 211 (key), 212, Pl. 29C, fig. 127 (Fig. 4B). Ischium subrectangular, about 1.4 times longer than broad; bearing setae on inner margin; antero-external angle of merus ...
Context 2
... cheliped (Fig. 4C, D) relatively long, robust; anterior margin of carpus crenulated; palm long, slender, proximal and anterior margins crenulated; fingers slender, curved, brown colored; cutting margin of fixed finger with 2 triangu- lar ...
Context 3
... legs (Fig. 4E-H) naked, generally short, stout, flattened; fourth ambulatory legs shorter than others; dactyli long, tips bluntly pointed, brown ...
Context 4
... abdomen (Fig. 4I) elongated, 6-segmented. Telson semicircular, broader than long. Color of in life. Red diagonal lines distributed on lateral each half on carapace, fingers of chelipeds and proximal parts of propodi and dactyli of ambulatory legs are dark brown. Habitat. Crevices of coral reef and under stones. Distribution. Red Sea, Aden, Kenya, ...
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Citations
The increasing concerns and management needs on marine biodiversity have escalated the requirement for timely documentation of the marine taxa. We first established a comprehensive ecological checklist of Korean Brachyura through a meta-analysis of 74 documents (since the 1870s). A total of 247 species inhabiting the Korean coastal waters are listed with some key ecological information; habitat, substrate, distribution, and delta +. The crabs predominated on Jejudo Island, at the southernmost point of Korea, followed by the South Sea, West Sea, and East Sea. Portunus trituberculatus and Hemigrapsus sanguineus were cosmopolitan species widely distributed across the three seas. Dynamic oceanographic settings of the South Sea, such as archipelago, Rias coast, varied habitats, and (in)direct influence of Kuroshio warm current, seemed to support high crab diversity. The rocky and subtidal habitats represented biodiversity hotspots. The present study would be a useful baseline for gathering further ecological information of globally important marine taxa in Korea and elsewhere.
Two species of xanthids, Actaea polyacantha (Heller, 1861) and Actaeodes hirsutissimus (Rppell, 1830) collected from Jejudo Island, are newly recorded from Korean waters. Korean Xanthidae now consists of 22 species belonging to twenty genera.
Three crab species, Macromedaeus orientalis, Eriphia smithi, and Ocypode cordimana, from Jejudo Island are recorded for the first time in Korea. M. orientalis was collected under the rocks by SCUBA diving in 20m and at low tidal mark. However, E. smithi and O. cordimana were collected in crevices of the rock at low tidal mark and in a burrow of sand beach at supra tidal mark, respectively. At present, E. smithi is the only species of the genus represented in Korean waters. Including the new records in this study, the established brachyuran fauna in Korea now comprises 203 species.
