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[Ichthyology • 2020] Ichthyscopus pollicaris • A New Stargazer (Perciformes: Uranoscopidae) from East Asia Abstract A new uranoscopid fish, Ichthyscopus pollicaris sp. nov., is described from East Asia waters around Taiwan and Japan. It can be distinguished from other congeners in having the ventral midline of the belly forming 3 prominent prolonged skin flaps, its posterior nostril oval to circular in shape, its pectoral-fin base lacking distinct blotches, and the uppermost pectoral-fin ray and adjacent interspace membrane with 1 or 2 white spots. The biogeography of I. pollicaris is discussed. Keywords: Pisces, Perciformes, Taxonomy, Biogeography, Uranoscopidae
Ichthyscopus pollicaris sp. nov. English name: Oriental Fringe Stargazer; Japanese name: サツオミシマ (Satsuo-mishima); Taiwan name:東方披 肩騰 (Dong-fang-pi-jian-teng) "ปลาอุบยักษ์แต้มขาว" Diagnosis. A species of Ichthyscopus with caudal vertebrae 17; upper lip fimbriae 20–27; ventral midline of belly forming three prominent prolonged skin flaps, one midline flap and two sandwiching midline flap; shape of posterior nostril oval to circular; pectoral-fin base uniformly pale brown, lacking distinct blotches; 1 or 2 white spots present on uppermost pectoral-fin ray Distribution. Restricted to the coastal waters of East Asia between about Japan Sea and East China Sea from Jeju Province in South Korea through Niigata Prefecture in Japan to the western coast of Kyushu and Pacific Ocean from Suruga Bay to the southern coast of Kyushu (Yamada & Yagishita, 2013) in the north and the northeast region of South China Sea from the northern Taiwan (Shen, 1984a) through Penghu Islands (Chen, 2003) to the southern Taiwan (present study) in the south. Etymology. The specific name pollicaris from the Latin meaning “thumb” in reference to the distinctive uppermost pectoral fin ray adorned with 1 or 2 white spots characterizing this species Veera Vilasri, Hsuan-Ching Ho, Toshio Kawai and Martin F. Gomon. 2019. A New Stargazer, Ichthyscopus pollicaris (Perciformes: Uranoscopidae), from East Asia. Zootaxa. 4702(1); 49–59. DOI: 10.11646/zootaxa.4702.1.10 |
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