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Cyphastrea japonica

Yabe and Sugiyama, 1932

Colonies are submassive or encrusting, with an irregular surface. Corallites are small and often crowded. Septa are in two unequal orders of 12 each, the first being exsert and irregularly toothed. Coenosteum spinules are prominent. ‘Groove and tubercle’ formations are often present. Colonies are often infested with parasitic barnacles.

Colour: Mottled cream or yellowish-green, sometimes mottled grey.

Habitat: Shallow exposed reef environments.

Abundance: Usually uncommon.

Similar species: Cyphastrea chalcidicum

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Yabe and Sugiyama (1932), Veron (1992). Additional identification guide: Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Cyphastrea japonica.  Vietnam.  A large massive colony.  Charlie Veron.

Cyphastrea japonica.Vietnam.A large massive colony.Charlie Veron.

Cyphastrea japonica.  Philippines.  Surface appearance of massive colonies.  Charlie Veron.

Cyphastrea japonica.Philippines.Surface appearance of massive colonies.Charlie Veron.

Cyphastrea japonica.  Ryukyu Islands, Japan.  Surface appearance of massive colonies.  Charlie Veron.

Cyphastrea japonica.Ryukyu Islands, Japan.Surface appearance of massive colonies.Charlie Veron.

Cyphastrea japonica.  Philippines.  Variation in corallite shape and colour.  Charlie Veron.

Cyphastrea japonica.Philippines.Variation in corallite shape and colour.Charlie Veron.

Cyphastrea japonica.  Ryukyu Islands, Japan.  Variation in corallite shape and colour.  Charlie Veron.

Cyphastrea japonica.Ryukyu Islands, Japan.Variation in corallite shape and colour.Charlie Veron.

Cyphastrea japonica.  Ryukyu Islands, Japan.  Showing corallites.

Cyphastrea japonica.Ryukyu Islands, Japan.Showing corallites.

Cyphastrea japonica.  Vietnam.  Showing colony surface.

Cyphastrea japonica.Vietnam.Showing colony surface.

Cyphastrea japonica.  Ryukyu Islands, Japan.  Showing corallites.

Cyphastrea japonica.Ryukyu Islands, Japan.Showing corallites.

Cyphastrea japonica.  Philippines.  Showing colony surface.

Cyphastrea japonica.Philippines.Showing colony surface.