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Acropora secale

(Studer, 1878)

Colonies are mostly caespitose bushes. Branches are tapered and up to 25 millimetres thick. Axial corallites are small and tubular. Radial corallites are of mixed sizes, sometimes alternating in vertical rows and are large and conspicuous, increasing in length down the sides of branches.

Colour: Colonies are colourful, usually mixtures of cream, blue, purple, brown and yellow, commonly with purple branch ends and cream corallites, a colour shared with A. valida and A. nana.

Habitat: Shallow reef environments especially upper reef slopes and outer reef flats.

Abundance: Common in the Pacific, uncommon in the Indian Ocean.

Similar species: Acropora appressa , Acropora cophodactyla

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

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Acropora secale.  Ryukyu Islands, Japan.  Colonies are usually neat corymbose plates in shallow water.  Charlie Veron.

Acropora secale.Ryukyu Islands, Japan.Colonies are usually neat corymbose plates in shallow water.Charlie Veron.

Acropora secale.  Coral Sea.  Sturdy branches .  Charlie Veron.

Acropora secale.Coral Sea.Sturdy branches .Charlie Veron.

Acropora secale.  Fiji.  On an upper reef slope.  Neville Coleman.

Acropora secale.Fiji.On an upper reef slope.Neville Coleman.

Acropora secale.  Great Barrier Reef, Australia.  Corallite detail.  Neville Coleman.

Acropora secale.Great Barrier Reef, Australia.Corallite detail.Neville Coleman.

Acropora secale.  Great Barrier Reef, Australia.  Corallite detail.  Neville Coleman.

Acropora secale.Great Barrier Reef, Australia.Corallite detail.Neville Coleman.

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

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

Acropora secale.  Great Barrier Reef, Australia.  Showing characteristic branching pattern.

Acropora secale.Great Barrier Reef, Australia.Showing characteristic branching pattern.

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

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

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

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

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

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

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

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