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.
Color: Uniform pale brown or cream, rarely blue or mauve.
Habitat: Deep water or protected reef backs and lagoons.
Similar Species: Acropora subglabra, which forms more open branches and has less numerous radial corallites with thinner walls. See also A. longicyathus and A. elseyi.
Acropora prolixa (Verrill, 1866)
Madrepora (Rhabdocyathus) carduus Dana, 1846
Madrepora carduus Dana, 1846
Madrepora prolixa Verrill, 1866
Classification: Biota > Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Hexacorallia (Subclass) > Scleractinia (Order) > Acroporidae (Family) > Acropora (Genus) > Acropora carduus (Species)