Acanthurus xanthopterus Valenciennes in Cuvier & Valenciennes 1835 —Yellowfin surgeonfish Status at New Ireland. First recorded from Tigak Islands, Kavieng, New Ireland by Wright & Richards (1985: 73), and from Lihir Group, Namatamai District by Fry et al. (2006: 129); specimens observed at Kavieng fish market in 2004–2005 by Jeff Kinch during CFMDP Survey, and by Barry C. Russell during 7–28 June 2014. A specimen photographed at Lissenung Island, Kavieng District, 5 m depth, by Dean Tully on 6 July 2011; a video of a specimen taken at Kawauiliaka Island, off northeastern New Hanover, at 3–12 m depth, St. KR132, in 2014 (identified by Barry C. Russell). Distribution and habitat. New Ireland: 1, 2, 5.—General distribution: Red Sea, East and South Africa, Madagascar and Mascarenes east to Panama, north to southern Japan and Ogasawara Islands, south to Queensland (Australia) and New Caledonia. Found in various coral reef habitats, sand slopes and lagoons, 0–100 m depth. Marine.

Published as part of Andréfouët, Serge, Chen, Wei-Jen, Kinch, Jeff, Mana, Ralph, Russell, Barry C., Tully, Dean & White, William T., 2019, Checklist of the marine and estuarine fishes of New Ireland Province, Papua New Guinea, western Pacific Ocean, with 810 new records, pp. 1-360 in Zootaxa 4588 (1) on page 302, DOI: 10.11646/zootaxa.4588.1.1, http://zenodo.org/record/2988163