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Acropora aspera

(Dana, 1846)

Colonies are digitate with upright branches which usually divide infrequently and taper only towards their ends. Axial corallites are conspicuous and dome-shaped. Radial corallites are strongly appressed and thick walled, with small openings.

Colour: Brown or grey with pale branch ends.

Habitat: Upper reef slopes and lagoons.

Abundance: Locally common.

Similar species: Acropora ocellata

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Veron and Wallace (1984), Wallace (1999). Additional identification guides: Randall and Myers (1983), Veron (1986), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Acropora aspera.  Ryukyu Islands, Japan.  Extensive stand.  Charlie Veron.

Acropora aspera. Ryukyu Islands, Japan. Extensive stand. Charlie Veron.

Acropora aspera.  Ryukyu Islands, Japan.  Thicket.  Charlie Veron.

Acropora aspera. Ryukyu Islands, Japan. Thicket. Charlie Veron.

Acropora aspera.  Great Barrier Reef, Australia.  Common branching patter showing radial and incipient corallites.  Ed Lovell.

Acropora aspera. Great Barrier Reef, Australia. Common branching patter showing radial and incipient corallites. Ed Lovell.

Acropora aspera.  Great Barrier Reef, Australia.  Showing radial corallites of two sizes.  Roger Steene.

Acropora aspera. Great Barrier Reef, Australia. Showing radial corallites of two sizes. Roger Steene.

Acropora aspera.  Great Barrier Reef, Australia.  Showing branch tip.

Acropora aspera. Great Barrier Reef, Australia. Showing branch tip.

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

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

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

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

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

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

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

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

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

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