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Porites australiensis

Vaughan, 1918

Colonies are hemispherical to helmet-shaped and may be large. The surface is smooth or has irregular humps and nodules.

Colour: Usually cream or yellow but may be bright colours in shallow water.

Habitat: Occurs with P. lutea and P. lobata on back reef margins, lagoons and fringing reefs.

Abundance: Common.

Similar species:

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Wells (1954), Veron and Pichon (1982). Additional identification guides: Veron (1986), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Porites australiensis.  Great Barrier Reef, Australia.  This species forms large, usually helmet-shaped colonies.  Ed Lovell.

Porites australiensis.Great Barrier Reef, Australia.This species forms large, usually helmet-shaped colonies.Ed Lovell.

Porites australiensis.  Tanzania.  Variation in surface detail of colonies in shallow water.  Charlie Veron.

Porites australiensis.Tanzania.Variation in surface detail of colonies in shallow water.Charlie Veron.

Porites australiensis.  Papua New Guinea.  Variation in surface detail of colonies in shallow water.  Charlie Veron.

Porites australiensis.Papua New Guinea.Variation in surface detail of colonies in shallow water.Charlie Veron.

Porites australiensis. Diagram showing corallite characters.   .

Porites australiensis.Diagram showing corallite characters. .

Porites australiensis.  Ryukyu Islands, Japan.  Showing mature colony.

Porites australiensis.Ryukyu Islands, Japan.Showing mature colony.

Porites australiensis.  Great Barrier Reef, Australia.  Showing colony surface.

Porites australiensis.Great Barrier Reef, Australia.Showing colony surface.

Porites australiensis.  Great Barrier Reef, Australia.  Showing corallites.

Porites australiensis.Great Barrier Reef, Australia.Showing corallites.

Porites australiensis.  Great Barrier Reef, Australia.  Showing skeletal detail.

Porites australiensis.Great Barrier Reef, Australia.Showing skeletal detail.