Diademichthys lineatus (Sauvage 1883)

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 : 262

Diademichthys lineatus (Sauvage 1883) —Sea urchin clingfish

Status at New Ireland. New record, based on a video of a specimen taken in Senta Passage, southeast of New Hanover at 5–16 m depth, St. KR 118, in 2014 (identified by Barry C. Russell), and another video taken in Albatross Passage, southwestern Kavieng District , 3–13 m depth, St. KD 83, in 2014.

Distribution and habitat. New Ireland: 1, 2.—General distribution: Oman, Mauritius (Mascarenes) east to Fiji and Tonga, north to Ryukyu Islands, south to Western Australia and New Caledonia. Found in association with long-spined sea urchins of branched corals, in coastal reefs, 1–20 m depth. Marine.