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Lobophyllia corymbosa

(Forskål, 1775)

Colonies are flat or hemispherical and mostly phaceloid with one to three centres per branch. They seldom exceed 0.5 metres across except in the Red Sea where they commonly exceed 2 metres. Calices are deep, with well defined walls. Septa are thick near the walls and thin within the calice. Septal teeth are tall and blunt, decreasing in size towards the columella.

Colour: Greenish brown, grey or mustard, usually with pale centres.

Habitat: Upper reef slopes.

Abundance: Sometimes common.

Similar species: Lobophyllia dentatus

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Chevalier (1975), Veron and Pichon (1980). 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.
Lobophyllia corymbosa.  Great Barrier Reef, Australia.  L. Corymbosa (right) is easily distinguished from L. hemprichii (left).  Len Zell.

Lobophyllia corymbosa.Great Barrier Reef, Australia.L. Corymbosa (right) is easily distinguished from L. hemprichii (left).Len Zell.

Lobophyllia corymbosa.  Philippines.  A large spherical colony.  Charlie Veron.

Lobophyllia corymbosa.Philippines.A large spherical colony.Charlie Veron.

Lobophyllia corymbosa.  Guam.  Small colonies have compact corallites identical in size to those of large colonies.  Jim Maragos.

Lobophyllia corymbosa.Guam.Small colonies have compact corallites identical in size to those of large colonies.Jim Maragos.

Lobophyllia corymbosa.  Red Sea.  Surface detail.  Mary Stafford-Smith.

Lobophyllia corymbosa.Red Sea.Surface detail.Mary Stafford-Smith.

Lobophyllia corymbosa.  Red Sea.  A large irregular colony.  Charlie Veron.

Lobophyllia corymbosa.Red Sea.A large irregular colony.Charlie Veron.

Lobophyllia corymbosa.  Great Barrier Reef, Australia.  Showing corallites.

Lobophyllia corymbosa.Great Barrier Reef, Australia.Showing corallites.

Lobophyllia corymbosa.  Great Barrier Reef, Australia.  Showing corallites.

Lobophyllia corymbosa.Great Barrier Reef, Australia.Showing corallites.

Lobophyllia corymbosa.  Great Barrier Reef, Australia.  Showing corallites.

Lobophyllia corymbosa.Great Barrier Reef, Australia.Showing corallites.

Lobophyllia corymbosa.  Great Barrier Reef, Australia.  Showing characteristic branching pattern.

Lobophyllia corymbosa.Great Barrier Reef, Australia.Showing characteristic branching pattern.

Lobophyllia corymbosa.  Great Barrier Reef, Australia.  Showing whole colony.

Lobophyllia corymbosa.Great Barrier Reef, Australia.Showing whole colony.