Dascyllus trimaculatus (Rüppell 1829)

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 : 215

Dascyllus trimaculatus (Rüppell 1829) —Threespot dascyllus

Status at New Ireland. First recorded from St. Mathias by Duncker & Mohr (1929: 67), based on ZMH 11943; specimens photographed at Lissenung Island , Kavieng region by Dietmar Amon, and at 8 m depth, by Dean Tully on 1 July 2011; another photographed at St. KVG25 (off southeastern New Hanover ) by Serge Andréfouët on 22 Aug. 2014 .

Distribution and habitat. New Ireland: 1, 2, 4.—General distribution: Red Sea and East Africa, Madagascar and Mascarenes east to Marshall Islands and Pitcairn Group, north to southern Japan, south to northern Australia, Lord Howe and Austral islands. Found in coral and rocky reefs, juveniles often commensal with large sea anemones, sea urchins, or small coral heads, 0–55 m depth. Marine.