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Acropora lutkeni

Crossland, 1952

Colonies are corymbose plates with thick tapering branches. Branches have incipient axial corallites and branchlets developing towards their base. Sometimes branches are long. Axial corallites are rounded and not much larger than radial corallites. Radial corallites are irregular and have a wide range of shapes and sizes but are characteristically thick walled with rounded margins.

Colour: Uniform grey, creamy brown, or purple.

Habitat: Shallow upper reef slopes exposed to strong wave action or currents.

Abundance: Sometimes common on the Great Barrier Reef, usually uncommon elsewhere.

Similar species: Acropora forskali

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Crossland (1952), Veron and Wallace (1984), Wallace (1999). Additional identification guide: Veron (1986).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Acropora lutkeni.  Dampier Archipelago, western Australia.  A. lutkeni (left) adjacent to A. abrotanoides (right) forming branches.  Charlie Veron.

Acropora lutkeni.Dampier Archipelago, western Australia.A. lutkeni (left) adjacent to A. abrotanoides (right) forming branches.Charlie Veron.

Acropora lutkeni.  Great Barrier Reef, Australia.  Common appearance of corallites.  Charlie Veron.

Acropora lutkeni.Great Barrier Reef, Australia.Common appearance of corallites.Charlie Veron.

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

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

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

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

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

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

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

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

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

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

Acropora lutkeni.  Great Barrier Reef, Australia.  No text reqd.

Acropora lutkeni.Great Barrier Reef, Australia.No text reqd.