Chaetodon lunulatus Quoy & Gaimard 1825

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, Zootaxa 4588 (1), pp. 1-360 : 185

Chaetodon lunulatus Quoy & Gaimard 1825 —Redfin butterflyfish

Status at New Ireland. New record, based on a specimen photographed on 3 June 2013 during ACIAR Aquarium Survey in Kavieng District; others photographed at St. KVG18 (south side of Bauddisson Island, Kavieng District ) by Serge Andréfouët on 18 Aug. 2014, and at St. KVGPMT50 (southeast of New Hanover ) by Serge Andréfouët on 24 Aug. 2014; previously misidentified from New Ireland as Chaetodon trifasciatus (non Park, 1797) by Ahl (1923: 56, 60).

Distribution and habitat. New Ireland: 1, 2.—General distribution: Malaysia and Indonesia east to Hawaiian, Line and Tuamotu islands, north to southern Japan, south to northern Australia, Lord Howe and Norfolk islands. Found in coral-rich areas of coral reefs, 0–20 m depth. Marine.