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Acropora squarrosa

(Ehrenberg, 1834)

Colonies are usually upright bushes with short compact branches. Axial corallites are large and dome-shaped, with thick walls. Radial corallites have a wide range of sizes but are identical to axial corallites in shape and appearance. All corallites are smooth and rounded and have very small openings. The coenosteum is smooth.

Colour: Cream or pale brown. Corallite centres are distinct blue or pink, depending on depth.

Habitat: Upper reef slopes.

Abundance: Common.

Similar species: Acropora granulosa , Acropora rosaria , Acropora verweyi

Taxonomic note: Taxonomic note: The name Acropora squarrosa has been used for a wide range of other species. Source reference: Veron (2000). Taxonomic reference: Scheer and Pillai (1983). Additional identification guide: Sheppard and Sheppard (1991).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Acropora squarrosa.  Madagascar.  Typical appearance of a colony with compact branches.  Charlie Veron.

Acropora squarrosa.Madagascar.Typical appearance of a colony with compact branches.Charlie Veron.

Acropora squarrosa.  Red Sea.  Side of an open branched colony.  Mary Stafford-Smith.

Acropora squarrosa.Red Sea.Side of an open branched colony.Mary Stafford-Smith.

Acropora squarrosa.  Red Sea.  Variation in the structure and colour of branches.  Charlie Veron.

Acropora squarrosa.Red Sea.Variation in the structure and colour of branches.Charlie Veron.

Acropora squarrosa.  Red Sea.  Variation in the structure and colour of branches.  Charlie Veron.

Acropora squarrosa.Red Sea.Variation in the structure and colour of branches.Charlie Veron.

Acropora squarrosa.  Madagascar.  Variation in the structure and colour of branches.  Charlie Veron.

Acropora squarrosa.Madagascar.Variation in the structure and colour of branches.Charlie Veron.

Acropora squarrosa.  Madagascar.  Showing corallites.

Acropora squarrosa.Madagascar.Showing corallites.

Acropora squarrosa.  Southern Red Sea.  Showing branch surface.

Acropora squarrosa.Southern Red Sea.Showing branch surface.

Acropora squarrosa.  Red Sea.  Showing branching pattern.

Acropora squarrosa.Red Sea.Showing branching pattern.

Acropora squarrosa.  Red Sea.  Showing branches.

Acropora squarrosa.Red Sea.Showing branches.

Acropora squarrosa.  Red Sea.  Showing branch end.

Acropora squarrosa.Red Sea.Showing branch end.

Acropora squarrosa.  Red Sea.  Showing axial corallites.

Acropora squarrosa.Red Sea.Showing axial corallites.