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Oulophyllia crispa

(Lamarck, 1816)

Colonies are thick plates or hemispherical and are frequently over one metre across. Valleys are short, broad (up to 20 mm), V-shaped and have sharp upper margins. Septa are usually thin and slope uniformly to the columellae, which usually form well defined centres. Paliform lobes may be present. Columellae are weakly developed.

Colour: Uniform grey or with brown walls and pale cream or pink valley floors.

Habitat: Most reef environments, but especially in lagoons.

Abundance: Uncommon.

Similar species: Oulophyllia levis

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Wijsman-Best (1972), Veron, Pichon and Wijsman-Best (1977). 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.
Oulophyllia crispa.  Ryukyu Islands, Japan.  A small dome-shaped colony.  Charlie Veron.

Oulophyllia crispa. Ryukyu Islands, Japan. A small dome-shaped colony. Charlie Veron.

Oulophyllia crispa.  Philippines.  Sinuous valleys of a large colony.  Charlie Veron.

Oulophyllia crispa. Philippines. Sinuous valleys of a large colony. Charlie Veron.

Oulophyllia crispa.  Philippines.  Variation in colour and surface detail of valleys.  Charlie Veron.

Oulophyllia crispa. Philippines. Variation in colour and surface detail of valleys. Charlie Veron.

Oulophyllia crispa.  Philippines.  Variation in colour and surface detail of valleys.  Charlie Veron.

Oulophyllia crispa. Philippines. Variation in colour and surface detail of valleys. Charlie Veron.

Oulophyllia crispa.  Philippines.  Variation in colour and surface detail of valleys.  Charlie Veron.

Oulophyllia crispa. Philippines. Variation in colour and surface detail of valleys. Charlie Veron.

Oulophyllia crispa.  Coral Sea.  Valley detail at the centre of a large colony.  Neville Coleman.

Oulophyllia crispa. Coral Sea. Valley detail at the centre of a large colony. Neville Coleman.

Oulophyllia crispa.  Great Barrier Reef, Australia.  Showing valleys.

Oulophyllia crispa. Great Barrier Reef, Australia. Showing valleys.

Oulophyllia crispa.  Great Barrier Reef, Australia.  Showing valleys.

Oulophyllia crispa. Great Barrier Reef, Australia. Showing valleys.

Oulophyllia crispa.  Great Barrier Reef, Australia.  Showing corallites.

Oulophyllia crispa. Great Barrier Reef, Australia. Showing corallites.

Oulophyllia crispa.  Great Barrier Reef, Australia.  Showing corallites.

Oulophyllia crispa. Great Barrier Reef, Australia. Showing corallites.

Oulophyllia crispa.  South Africa.  Showing whole colony.

Oulophyllia crispa. South Africa. Showing whole colony.