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Acropora retusa

(Dana, 1846)

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.

Habitat: Upper reef slopes and tidal pools.

Abundance: Common in South Africa, uncommon elsewhere.

Similar species: Acropora gemmifera , Acropora monticulosa

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Riegl (1995, as A. mossambica), Wallace (1999).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Acropora retusa.  Madagascar.  Solid plates with short branches.  Charlie Veron.

Acropora retusa.Madagascar.Solid plates with short branches.Charlie Veron.

Acropora retusa.  Madagascar.  Branchlets are short and thick.  Charlie Veron.

Acropora retusa.Madagascar.Branchlets are short and thick.Charlie Veron.

Acropora retusa.  Madagascar.  Showing corallites.

Acropora retusa.Madagascar.Showing corallites.

Acropora retusa.  Madagascar.  Showing corallites.

Acropora retusa.Madagascar.Showing corallites.

Acropora retusa.  Niue, central Pacific.  Showing branches.

Acropora retusa.Niue, central Pacific.Showing branches.

Acropora retusa.  Niue, central Pacific.  Showing branch tips.

Acropora retusa.Niue, central Pacific.Showing branch tips.

Acropora retusa.  Mauritius, south-western Indian Ocean.  Showing branching pattern.

Acropora retusa.Mauritius, south-western Indian Ocean.Showing branching pattern.