Atergatis subdentatus has a compact shape, and may appear either uniform crimson in colour, or may have an … See more

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. … See more

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