Colonies are massive with mostly short valleys. Some colonies are monocentric or nearly so. Valleys are narrow (3-4.5 mm wide) and walls are thin. Septo-costae are irregular and have irregular teeth. There are no paliform lobes.
Dark brown, grey or green, usually with valley walls and floors of contrasting colours.
Shallow reef environments.
Source reference: Veron (2000). Taxonomic reference: Yabe and Sugiyama’s original description/specimens. Additional identification guide: Nishihira and Veron (1995).
displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Platygyra ryukyuensis.Scott Reef, western Australia.Colony surface.Charlie Veron.