Atergatis subdentatus has a compact shape, and may appear either uniform crimson in colour, or may have an irregularly mottled yellow on a crimson background. It has a broadly subquadrilateral 詳細

The type locality for this species is Japan, and it can be found around many of the Japanese islands. It also occurs in the waters of Taiwan, Singapore, and rarely in the Lakshadweep Islands and Gulf of Mannar. 詳細

• Paul F. Clark, Peter K. L. Ng & P.-H. Ho (2004). "Atergatis subdentatus (De Haan, 1835), Atergatopsis germaini A. Milne Edwards, 1865 and Platypodia eydouxi (A. Milne Edwards, 1865) … 詳細

This species lives on coral reefs and rocky beaches at a range of 3–30 m (10–100 ft) in depth. 詳細

Media related to Atergatis subdentatus at Wikimedia Commons 詳細