Bathygobius cyclopterus (Valenciennes in Cuvier & Valenciennes 1837) —Roundfin frillgoby

Status at New Ireland. Originally described from Carteret Harbour, New Ireland as Gobius cyclopterus by Valenciennes in Cuvier & Valenciennes (1837: 59), based on MNHN material.

Distribution and habitat. New Ireland: 3.—General distribution: Red Sea, East and South Africa, Madagascar and Réunion east to Mariana and Samoan islands, north to southern Japan, south to Western Australia and New Caledonia. Found on intertidal seaward reef flats and adjacent reefs including tidal pools, in habitats with coralline rock adjacent to gravel or sand, 0–10 m depth. Marine.