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Acropora robusta

(Dana, 1846)

Colonies are irregular in shape with encrusting bases and thick conical branches at the centre and with thinner prostrate branches with upturned ends at the periphery. Branches from the central and peripheral part of the same colony have completely dissimilar shapes. Radial corallites are of mixed sizes and shapes but are generally rasp-like.

Colour: Bright green with deep pink branch tips or pinkish-brown, yellow-brown or cream.

Habitat: Shallow reef environments, especially reef margins exposed to strong wave action.

Abundance: Common in the central Indo-Pacific.

Similar species: Acropora pinguis

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Veron and Wallace (1984), Wallace (1999). Additional identification guides: Veron (1986), Sheppard and Sheppard (1991), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Acropora robusta.  Coral Sea.  Upright branches with a submassive base.  Charlie Veron.

Acropora robusta.Coral Sea.Upright branches with a submassive base.Charlie Veron.

Acropora robusta.  null.  Wave washed intertidal reef flat.  Charlie Veron.

Acropora robusta.null.Wave washed intertidal reef flat.Charlie Veron.

Acropora robusta.  null.  Large colony of primarily horizontal branches.  Charlie Veron.

Acropora robusta.null.Large colony of primarily horizontal branches.Charlie Veron.

Acropora robusta.  Great Barrier Reef, Australia.  Conical branches and elongate peripheral branches.  Mary Stafford-Smith.

Acropora robusta.Great Barrier Reef, Australia.Conical branches and elongate peripheral branches.Mary Stafford-Smith.

Acropora robusta.  Great Barrier Reef, Australia.  null.  Charlie Veron.

Acropora robusta.Great Barrier Reef, Australia.null.Charlie Veron.

Acropora robusta.  Philippines.  Small colony showing little fusion of basal branches.  Charlie Veron.

Acropora robusta.Philippines.Small colony showing little fusion of basal branches.Charlie Veron.

Acropora robusta.  Great Barrier Reef, Australia.  Showing radial corallites.

Acropora robusta.Great Barrier Reef, Australia.Showing radial corallites.

Acropora robusta.  Great Barrier Reef, Australia.  Showing skeletal detail.

Acropora robusta.Great Barrier Reef, Australia.Showing skeletal detail.

Acropora robusta.  Great Barrier Reef, Australia.  Showing radial corallites.

Acropora robusta.Great Barrier Reef, Australia.Showing radial corallites.

Acropora robusta.  Great Barrier Reef, Australia.  Showing radial corallites.

Acropora robusta.Great Barrier Reef, Australia.Showing radial corallites.

Acropora robusta.  Great Barrier Reef, Australia.  Showing branching pattern.

Acropora robusta.Great Barrier Reef, Australia.Showing branching pattern.