Characters: Colonies are arborescent. Corallites are tubular and thin-walled with flaring rims. Columellae are absent. Septa are very exsert. Tentacles are usually extended only at night. They have tapering translucent tentacles with white tips.
Colour: Pale brown, yellow or green, sometimes with white branch ends.
Similar Species: Galaxea acrhelia.
Habitat: Usually found in reef areas with good water circulation and light availability.