Chaetodon kleinii Bloch 1790 —Klein's butterflyfish

Status at New Ireland. First recorded from St. Mathias as Chaetodon kleini by Duncker & Mohr (1929: 72), based on ZMH 11734. Specimens photographed in Kavieng region on 1–2 June 2013 during ACIAR Aquarium Survey; others photographed at St. KVG20 (east of Enuk Island, Kavieng District) by Serge Andréfouët on 20 Aug. 2014; a video of a specimen taken off Nubilus Island, off southeastern New Hanover, at 3–32 m depth, St. KR 88, in 2014 (identified by Barry C. Russell).

Distribution and habitat. New Ireland: 1, 2, 4.—General distribution: Red Sea, East and South Africa, Madagascar and Mascarenes east to Hawaiian, Line and Marquesas islands, north to southern Japan, south to Kimberleys (Western Australia), Lord Howe Island and Tonga. Found in lagoon and seaward coral and rocky reefs, 2–61 m depth. Marine.