Sustainable Reefs
Acropora Carduus
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.