Lutjanus xanthopinnis Iwatsuki, Tanaka et Allen 2015

Lutjanus xanthopinnis Iwatsuki, Tanaka et Allen, 2015 English common name: yellowfin snapper New Korean common name: 노랑퉁돔 Fig. 1; Table 1 Lutjanus xanthopinnis Iwatsuki, Tanaka et Allen, 2015. — Iwatsuki et al. (2015): 24 (Type locality: Kishira, Kimotsuki, Uchinoura Bay, Kagoshima, Japan, 31°11′26′′N, 131°00′3′′E). — Praveenraj et al. (2018): 393 (India). — Gloerfelt-Tarp and Kailola (2022): 187 (southern Indonesia and northwestern Australia). — Vilasri et al. (2023): 86 (upper Gulf of Thailand). Lutjanus madras (non Valenciennes). — Allen (1985): 39 (in part, Pacific). — Allen in Randall and Lim (2000): 618 (South China Sea). — Allen and Adrim (2003): 39 (Indonesia). — Tanaka et al. (2010): 16 (Yaeyama Is., Japan). — Fricke et al. (2014): 86 (Papua New Guinea). Material examined. AREIS-0008, 78.9 mm SL, Hahyo Port, Seogwipo-si, Jeju-do, Korea, 33°14′58.5″N, 126°37′12.9″E, angling, October 2024, coll. by Kyu-Jin Kim et al. Description. The meristic and measurements are shown in Table 1. Body oblong and laterally compressed. Lateral line distinct and uninterrupted, running along dorsal contour of body and arching slightly above pectoral fin base before tapering towards caudal peduncle. Body scales aligning horizontally below lateral line, while scales inclining obliquely on dorsum above lateral line. Predorsal scales reaching middle of interorbital region. Snout tip pointed. Upper jaw with pair of canines, while remaining teeth on upper jaw and those on lower jaw consisting of small canine-like teeth. Vomerine teeth forming diamond-shaped patch with medial extension posteriorly. Anterior and posterior nostrils positioned closely together, lacking flap. Posterior nostril shape elliptical. Posterior tip of maxilla extending below middle of eye. Preopercle fully covered with scales and margin finely serrate. Middle of opercular margin showing leathery projection, with blunt bony spines above its base. Pectoral fin pointed, extending posteriorly to base of ninth dorsal spine. Dorsal fin outline incised, with third to fifth spines longest; outer margin of posterior part of dorsal fin rounded. Base of soft dorsal and anal fin covered scales. Pelvic fin pointed, length gradually shortening from upper to lower part, origin aligning with origin of dorsal fin, and when depressed, pelvic fin not reaching anus. Caudal fin emarginate. n = number of individuals Coloration. When fresh, base color of the body silverish midlaterally getting darker towards base of dorsal fin. Color above lateral line with dark maroon to brown oblique lines. Golden-yellow horizontal stripes below lateral line, topmost line approximately half of scale width, positioned along scale center, with stripes below relatively thinner. Abdominal region light yellow, dorsal, caudal, and anal fins deeper yellow; pectoral and pelvic fins comparatively lighter with translucent membranes. After preservation, entire body pale gray, all colors disappearing except yellow at base of soft dorsal fin, anal fin, and caudal fin base. Distribution. Lutjanus xanthopinnis is widely distributed across the western Pacific and into the eastern Indian Ocean, from southern Japan to the East Indies, including Sri Lanka, the Andaman Sea off western Thailand, Malaysia, Brunei, western Indonesia (from the Malay Peninsula to Bali), the Philippines, Taiwan, China, and Japan. (Allen 1985; Iwatsuki et al. 2015; Praveenraj et al. 2018). Additional records are noted from southern Korea (Seogwipo-si, Jeju-do; presently reported study).