Alionematichthys riukiuensis (Aoyagi 1954) — Ryukyu viviparous brotula

Status at New Ireland. First recorded from Kavieng, New Ireland by Møller & Schwarzhans (2008: 115). USNM material.

Distribution and habitat. New Ireland: 2.—General distribution: Andaman Sea east to Philippines and Vanuatu, north to Ryukyu Islands, south to New Caledonia. In crevices in coralline rock in coral reefs, 0–10 m depth. Marine.