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Porites porites

(Pallas, 1766)

Colonies are sturdy fused branches with rounded tips. Corallites are deeply excavated and, with a coarse coenosteum, form a rough surface. Tentacles are usually extended during the day.

Colour: Uniform grey-brown.

Habitat: Shallow protected reef environments.

Abundance: Sometimes common.

Similar species:

Taxonomic note: Taxonomic note: Several authors have considered Porites  porites, P. divaricata and P. furcata to be different forms of the same species. Source reference: Veron (2000). Taxonomic references: Squires (1958), Roos (1971). Additional identification guides: Colin (1978), Humann (1993).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Porites porites.  Caribbean.  Colony composed of clumps of short thick branches.  Charlie Veron.

Porites porites.Caribbean.Colony composed of clumps of short thick branches.Charlie Veron.

Porites porites.  Caribbean.  Colony composed of prostrate irregular branches, some with polyps extended.  Mary Stafford-Smith.

Porites porites.Caribbean.Colony composed of prostrate irregular branches, some with polyps extended.Mary Stafford-Smith.

Porites porites.  Caribbean.  Branch tips on dead bases.  Charlie Veron.

Porites porites.Caribbean.Branch tips on dead bases.Charlie Veron.

Porites porites.  Caribbean.  Branches with extended polyps.  Charlie Veron.

Porites porites.Caribbean.Branches with extended polyps.Charlie Veron.

Porites porites.  Caribbean.  Detail of partly extended polyps.  Charlie Veron.

Porites porites.Caribbean.Detail of partly extended polyps.Charlie Veron.

Porites porites.  Caribbean.  Branches with contracted polyps.  Nancy Sefton.

Porites porites.Caribbean.Branches with contracted polyps.Nancy Sefton.

Porites porites. Diagram showing corallite characters.   .

Porites porites.Diagram showing corallite characters. .

Porites porites.  Caribbean.  Showing branches.

Porites porites.Caribbean.Showing branches.

Porites porites.  Caribbean.  Showing corallites.

Porites porites.Caribbean.Showing corallites.

Porites porites.  Caribbean.  Showing corallites.

Porites porites.Caribbean.Showing corallites.

Porites porites.  Caribbean.  Showing branching pattern.

Porites porites.Caribbean.Showing branching pattern.

Porites porites.  Caribbean.  Showing corallites.

Porites porites.Caribbean.Showing corallites.