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Pseudosiderastrea tayami

Yabe and Sugiyama, 1935

Colonies are encrusting to slightly dome-shaped and up to 160 millimetres across. Corallites are cerioid, polygonal and 3-6 millimetres diameter. Septa are evenly spaced and usually fuse with each other in fan-like groups. They have fine, saw-like teeth. Columellae consist of one to four pinnules.

Colour: Pale grey with distinctive white corallite walls. Uniform brown in the western Indian Ocean.

Habitat: Very shallow water, attached to bare rock.

Abundance: Uncommon and cryptic.

Similar species: Siderastrea savignyana

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Veron and Pichon (1980). Additional identification guides: Veron (1986), Sheppard and Sheppard (1991), Nishihira and Veron (1995), Coles (1996).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Pseudosiderastrea tayami.  Great Barrier Reef, Australia.  Detail of a small colony.  Len Zell.

Pseudosiderastrea tayami. Great Barrier Reef, Australia. Detail of a small colony. Len Zell.

Pseudosiderastrea tayami.  Indonesia.  A fully developed colony.  Roger Steene.

Pseudosiderastrea tayami. Indonesia. A fully developed colony. Roger Steene.

Pseudosiderastrea tayami.  Papua New Guinea.  Corallite detail.  Charlie Veron.

Pseudosiderastrea tayami. Papua New Guinea. Corallite detail. Charlie Veron.

Pseudosiderastrea tayami.  Maldive Islands, Indian Ocean.  Corallite detail.  Neville Coleman.

Pseudosiderastrea tayami. Maldive Islands, Indian Ocean. Corallite detail. Neville Coleman.

Pseudosiderastrea tayami. Skeletal detail.  Geoff Kelly.

Pseudosiderastrea tayami. Skeletal detail. Geoff Kelly.

Pseudosiderastrea tayami.  Vanuatu.  Showing corallites.

Pseudosiderastrea tayami. Vanuatu. Showing corallites.

Pseudosiderastrea tayami.  Papua New Guinea.  Showing corallites.

Pseudosiderastrea tayami. Papua New Guinea. Showing corallites.

Pseudosiderastrea tayami.  Thailand.  Showing corallites.

Pseudosiderastrea tayami. Thailand. Showing corallites.

Pseudosiderastrea tayami.  Thailand.  Showing corallites.

Pseudosiderastrea tayami. Thailand. Showing corallites.