Mahidolia mystacina (Valenciennes in Cuvier & Valenciennes 1837) —Flagfin prawn goby

Status at New Ireland. New record, based on a video of a specimen taken in Albatross Passage, southwestern Kavieng District, at 3–13 m depth, St. KD 83, in 2014 (identified by Barry C. Russell); a specimen observed at Balang Island, New Hanover, 0–18 m depth, St. T 21, on 6 Nov. 2006, by Gerald R. Allen.

Distribution and habitat. New Ireland: 1, 2.—General distribution: East Africa east to Micronesia, north to southern Japan, south to northern Australia and New Caledonia. Found in silty coastal bays, associated with alphaeid prawns, 1–20 m depth. Transitional water, marine.