831 species

Acropora retusa

(Dana, 1846)

Acropora

Oken, 1815

Characters: Colonies are flat plates with short thick digitate branchlets. Corallites have thick rounded walls and wide openings. Axial corallites are indistinct. Radial corallites are appressed, becoming nariform near branch ends.

Colour: Brown.

Similar Species: Acropora globiceps, has similar characters but has compact branches and neat rounded radial corallites. See also A. gemmifera, which has longer branchlets and more exsert basal radial corallites and A. monticulosa, which has corallites in rows.

Habitat: Upper reef slopes and tidal pools.

Abundance: Common in South Africa, uncommon elsewhere.

COTW History since Veron (2000a)
  • Family: All families are currently under review
  • Genus/species: No change