Acropora Carduus

Characters: Colonies form bottlebrush thickets with upright or prostrate main branches. Axial and incipient axial corallites are short and tapered. Radial corallites are small and pocket-shaped. All corallites have thick walls.

Colour: Uniform pale brown or cream, rarely blue or mauve. Extremeties are white.

Habitat: Deep water or protected reef backs and lagoons.