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Porites sillimaniana

Nemenzo, 1976

Colonies are clumps of thin anastomosing branches or thin basal laminae with upright irregular branches arising from central parts. Corallites are often aligned in rows on the laminae. Tentacles are often extended during the day.

Colour: Pale yellow or brown, usually with white corallite centres.

Habitat: Mostly on reef flats.

Abundance: Uncommon.

Similar species: Porites flavus , Porites nigrescens

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Nemenzo (1976), Veron and Hodgson (1989). Additional identification guide: Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Porites sillimaniana.  Philippines.  The characteristic appearance of branches growing on flat laminae.  null.

Porites sillimaniana.Philippines.The characteristic appearance of branches growing on flat laminae.null.

Porites sillimaniana.  Seychelle Islands.  Colony composed mostly of branches.  Charlie Veron.

Porites sillimaniana.Seychelle Islands.Colony composed mostly of branches.Charlie Veron.

Porites sillimaniana. Diagram showing corallite characters.   .

Porites sillimaniana.Diagram showing corallite characters. .

Porites sillimaniana.  Ryukyu Islands, Japan.  Showing colony structure.

Porites sillimaniana.Ryukyu Islands, Japan.Showing colony structure.

Porites sillimaniana.  Ryukyu Islands, Japan.  Showing corallites.

Porites sillimaniana.Ryukyu Islands, Japan.Showing corallites.

Porites sillimaniana.  Ryukyu Islands, Japan.  Showing branch end.

Porites sillimaniana.Ryukyu Islands, Japan.Showing branch end.

Porites sillimaniana.  Ryukyu Islands, Japan.  Showing colony structure.

Porites sillimaniana.Ryukyu Islands, Japan.Showing colony structure.