Ostorhinchus melanoproctus (Fraser & Randall 1976)

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 : 135

Ostorhinchus melanoproctus (Fraser & Randall 1976) —Blackblotch cardinalfish

Status at New Ireland. New record, based on a video of a specimen taken on north coast of Manne Island, Kavieng District at 1–11 m depth, St. KR36, in 2014 (identified by Barry C. Russell).

Distribution and habitat. New Ireland: 2.—General distribution: Indonesia to Philippines, Papua New Guinea to Palau and Solomon Islands. Found in aggregations on steep outer reef slopes, usually associated with black corals or gorgonians, 11–50 m depth. Marine.