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Astreopora expansa

Br├╝ggemann, 1877

Colonies are flat bifacial plates arranged in tiers or whorls. Corallites are mostly inclined on the colony surface. Coenosteum papillae are fine.

Colour: Brown, pink or dark green, usually with pale margins.

Habitat: Shallow reef environments.

Abundance: Usually uncommon but conspicuous.

Similar species: Astreopora myriophthalma

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Lamberts (1982). Additional identification guides: Veron (1986), Nishihira and Veron (1995) (both as A. explanata).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Astreopora expansa.  Philippines.  Forming tiers of laminae.  Charlie Veron.

Astreopora expansa.Philippines.Forming tiers of laminae.Charlie Veron.

Astreopora expansa.  Houtman Abrolhos Islands, south-western Australia.  Forming tiers of laminae.  Ed Lovell.

Astreopora expansa.Houtman Abrolhos Islands, south-western Australia.Forming tiers of laminae.Ed Lovell.

Astreopora expansa.  Houtman Abrolhos Islands, south-western Australia.  Tiered plates with slightly conical corallites.  Ed Lovell.

Astreopora expansa.Houtman Abrolhos Islands, south-western Australia.Tiered plates with slightly conical corallites.Ed Lovell.

Astreopora expansa.  Tanzania.  Plate growing in an exposed habitat.  Charlie Veron.

Astreopora expansa.Tanzania.Plate growing in an exposed habitat.Charlie Veron.

Astreopora expansa.  Indonesia.  Laminae are sometimes thin in protected habitats.  Charlie Veron.

Astreopora expansa.Indonesia.Laminae are sometimes thin in protected habitats.Charlie Veron.

Astreopora expansa.  Rowley Shoals, north-western Australia.  Showing corallites.

Astreopora expansa.Rowley Shoals, north-western Australia.Showing corallites.

Astreopora expansa.  Ryukyu Islands, Japan.  Showing corallites.

Astreopora expansa.Ryukyu Islands, Japan.Showing corallites.

Astreopora expansa.  Philippines.  Showing plate formation.

Astreopora expansa.Philippines.Showing plate formation.

Astreopora expansa.  Philippines.  Showing plate formation.

Astreopora expansa.Philippines.Showing plate formation.

Astreopora expansa.  Philippines.  Showing undersurface of plate.

Astreopora expansa.Philippines.Showing undersurface of plate.

Astreopora expansa.  Vanuatu.  Showing plate formation.

Astreopora expansa.Vanuatu.Showing plate formation.