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Cyphastrea microphthalma

(Lamarck, 1816)

Colonies are massive, becoming thin encrusting plates where light levels are low. They commonly grow as mobile balls (coralliths). Corallites are tall and conical; compact in colonies exposed to strong light, widely spaced in encrusting colonies. They usually have 10 primary septa although this varies among corallites.

Colour: Brown, cream or green, sometimes other colours. Septa are commonly white.

Habitat: Most reef environments.

Abundance: Common, but less so than C.

Similar species:

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Chevalier (1975), Veron, Pichon and Wijsman-Best (1977), Wijsman-Best (1980). Additional identification guides: Veron (1986), Sheppard and Sheppard (1991), Nishihira and Veron (1995), Coles (1996), Carpenter et al. (1997).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Cyphastrea microphthalma.  null.  A small submassive colony.  Mary Stafford-Smith.

Cyphastrea microphthalma. null. A small submassive colony. Mary Stafford-Smith.

Cyphastrea microphthalma.  Ashmore Reef, western Australia.  Common variation in corallite shape and colour.  Charlie Veron.

Cyphastrea microphthalma. Ashmore Reef, western Australia. Common variation in corallite shape and colour. Charlie Veron.

Cyphastrea microphthalma.  Tanzania.  Detail of an encrusting colony.  Charlie Veron.

Cyphastrea microphthalma. Tanzania. Detail of an encrusting colony. Charlie Veron.

Cyphastrea microphthalma.  Palau.  Detail of an encrusting colony.  Gustav Paulay.

Cyphastrea microphthalma. Palau. Detail of an encrusting colony. Gustav Paulay.

Cyphastrea microphthalma.  null.  Common variation in corallite shape and colour.  null.

Cyphastrea microphthalma. null. Common variation in corallite shape and colour. null.

Cyphastrea microphthalma.  Philippines.  Common variation in corallite shape and colour.  Charlie Veron.

Cyphastrea microphthalma. Philippines. Common variation in corallite shape and colour. Charlie Veron.

Cyphastrea microphthalma.  Scott Reef, western Australia.  Detail of an encrusting colony.  Charlie Veron.

Cyphastrea microphthalma. Scott Reef, western Australia. Detail of an encrusting colony. Charlie Veron.

Cyphastrea microphthalma.  Great Barrier Reef, Australia.  Showing corallites.

Cyphastrea microphthalma. Great Barrier Reef, Australia. Showing corallites.

Cyphastrea microphthalma.  Great Barrier Reef, Australia.  Showing colony surface.

Cyphastrea microphthalma. Great Barrier Reef, Australia. Showing colony surface.

Cyphastrea microphthalma.  Great Barrier Reef, Australia.  Showing corallites.

Cyphastrea microphthalma. Great Barrier Reef, Australia. Showing corallites.

Cyphastrea microphthalma.  Great Barrier Reef, Australia.  Showing characteristic corallite structure.

Cyphastrea microphthalma. Great Barrier Reef, Australia. Showing characteristic corallite structure.

Cyphastrea microphthalma.  Great Barrier Reef, Australia.  Showing corallites.

Cyphastrea microphthalma. Great Barrier Reef, Australia. Showing corallites.