Balistapus undulatus (Park 1797) —Orange-lined triggerfish Status at New Ireland. First recorded from New Ireland and New Hanover by Peters (1877: 852); reported from St. Mathias as Balistes undulatus by Duncker & Mohr (1929: 76), from St. George Canal, New Ireland by Munro (1958: 287–288), and from Lihir Group, Namatamai District by Fry et al. (2006: 129). A specimen photographed on 4 June 2013 in Kavieng region during ACIAR Aquarium Survey. ZMH material. Distribution and habitat. New Ireland: 1, 2, 3, 4, 5.—General distribution: Red Sea, East and South Africa, Madagascar and Mascarenes east to Line, Marquesas and Tuamotu islands, north to southern Japan and Ogasawara Islands, south to New Caledonia. Found in coral-rich areas of seaward reefs, 1–50 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 321, DOI: 10.11646/zootaxa.4588.1.1, http://zenodo.org/record/2988163