Lutjanus argentimaculatus (Forsskål in Niebuhr 1775) —River snapper, mangrove jack Status at New Ireland. First recorded from Tigak Islands, Kavieng, New Ireland by Wright & Richards (1985: 73); subsequently reported from Lihir Group, Namatamai District by Fry et al. (2006: 129); specimens observed by Jeff Kinch during CFMDP Survey at Kavieng fish market in 2004–2005, and by Barry C. Russell on 7–21 June 2014. Distribution and habitat. New Ireland: 2, 5.—General distribution: Red Sea, East Africa, Madagascar and western Mascarenes east to Kiribati (Line Islands) and Society Islands, north to Ryukyu Islands, south to northern Australia and Tonga, immigrated through the Suez Canal into the eastern Mediterranean. Juveniles and young adults occur in estuaries, the lower reaches of freshwater streams and tidal creeks; adults are often found in groups around coral or rocky reefs, 0–100 m depth. Freshwater, transitional water and 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 pages 151-152, DOI: 10.11646/zootaxa.4588.1.1, http://zenodo.org/record/2988163