Colonies frequently exceed 2 metres across and may form extensive single species stands. They are arborescent and small, usually forming thickets. Branches are slender and straight. Sub-branches may occur at irregular intervals. Radial corallites are small, numerous, and of similar size.
Usually pale grey, sometimes pale brown or cream.
Upper reef slopes, also turbid water and sandy lagoons.
Common and may be a dominant species in shallow water.
Taxonomic note: This species is divisible into several smaller semi-distinct taxonomic units. Source reference: Veron (2000). Taxonomic references: Veron and Wallace (1984), Wallace (1999). Additional identification guides: Veron (1986), Nishihira and Veron (1995).
displaying probable distribution of species. Points indicate recorded sightings from OBIS.