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Acanthastrea ishigakiensis

Veron, 1990

Colonies are massive, usually hemispherical and often over 0.5 metres across. Corallites are up to 25 millimetres diameter and cerioid, becoming plocoid on the colony sides. Septa are mostly uniform, with large teeth. Colonies have thick fleshy tissue over the skeleton.

Colour: Uniform blue-grey or mixtures of grey, brown, cream and green, usually with mouth, oral disc and walls of contrasting colours.

Habitat: Shallow, partly protected reef environments.

Abundance: Uncommon but conspicuous.

Similar species: Acanthastrea hillae , Symphyllia erythraea

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Veron (1990a). Additional identification guide: Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Acanthastrea ishigakiensis.  Ryukyu Islands, Japan.  A. ishigakiensis (left) adjacent to Lobophyllia hemprichii (right).  Charlie Veron.

Acanthastrea ishigakiensis.Ryukyu Islands, Japan.A. ishigakiensis (left) adjacent to Lobophyllia hemprichii (right).Charlie Veron.

Acanthastrea ishigakiensis.  Ryukyu Islands, Japan.  The common appearance of a whole colonies.  Charlie Veron.

Acanthastrea ishigakiensis.Ryukyu Islands, Japan.The common appearance of a whole colonies.Charlie Veron.

Acanthastrea ishigakiensis.  Red Sea.  Variation in corallite structure and colour.  Charlie Veron.

Acanthastrea ishigakiensis.Red Sea.Variation in corallite structure and colour.Charlie Veron.

Acanthastrea ishigakiensis.  Philippines.  Variation in corallite structure and colour.  Charlie Veron.

Acanthastrea ishigakiensis.Philippines.Variation in corallite structure and colour.Charlie Veron.

Acanthastrea ishigakiensis.  Tanzania.  Variation in corallite structure and colour.  Charlie Veron.

Acanthastrea ishigakiensis.Tanzania.Variation in corallite structure and colour.Charlie Veron.

Acanthastrea ishigakiensis.  Ryukyu Islands, Japan.  Variation in corallite structure and colour.  Charlie Veron.

Acanthastrea ishigakiensis.Ryukyu Islands, Japan.Variation in corallite structure and colour.Charlie Veron.

Acanthastrea ishigakiensis.  Madagascar.  The common appearance of a whole colonies.  Charlie Veron.

Acanthastrea ishigakiensis.Madagascar.The common appearance of a whole colonies.Charlie Veron.

Acanthastrea ishigakiensis.  Madagascar.  Edge of a colony.  Charlie Veron.

Acanthastrea ishigakiensis.Madagascar.Edge of a colony.Charlie Veron.

Acanthastrea ishigakiensis.  Ryukyu Islands, Japan.  Showing corallites.

Acanthastrea ishigakiensis.Ryukyu Islands, Japan.Showing corallites.

Acanthastrea ishigakiensis.  Guam.  Showing whole colony.

Acanthastrea ishigakiensis.Guam.Showing whole colony.

Acanthastrea ishigakiensis.  Guam.  Showing corallites.

Acanthastrea ishigakiensis.Guam.Showing corallites.

Acanthastrea ishigakiensis.  Philippines.  Showing corallites.

Acanthastrea ishigakiensis.Philippines.Showing corallites.