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Caulastrea echinulata

(Milne Edwards and Haime, 1849)

Colonies are phaceloid. Corallites are usually closely compacted and less than 10 millimetres diameter. Septa are exsert and irregular, but approximately uniform in width, if not height. Polyps are fleshy, concealing septal characters.

Colour: Tan to dark brown with pale oral discs.

Habitat: Horizontal substrates protected from wave action and with turbid water.

Abundance: Uncommon.

Similar species:

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Wijsman-Best (1972), Veron, Pichon and Wijsman-Best (1977). Additional identification guides: Veron (1986), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Caulastrea echinulata.  Philippines.  Forming compact colonies. Corallites are larger then those of C. furcata and have ragged rims.  Charlie Veron.

Caulastrea echinulata.Philippines.Forming compact colonies. Corallites are larger then those of C. furcata and have ragged rims.Charlie Veron.

Caulastrea echinulata.  Great Barrier Reef, Australia.  Surface detail of compact corallites. Septa form on indistinct radiating stripes.  Neville Coleman.

Caulastrea echinulata.Great Barrier Reef, Australia.Surface detail of compact corallites. Septa form on indistinct radiating stripes.Neville Coleman.

Caulastrea echinulata.  Great Barrier Reef, Australia.  Showing corallites.

Caulastrea echinulata.Great Barrier Reef, Australia.Showing corallites.

Caulastrea echinulata.  Ryukyu Islands, Japan.  Showing colony shape.

Caulastrea echinulata.Ryukyu Islands, Japan.Showing colony shape.

Caulastrea echinulata.  Ryukyu Islands, Japan.  Showing corallites.

Caulastrea echinulata.Ryukyu Islands, Japan.Showing corallites.

Caulastrea echinulata.  Ryukyu Islands, Japan.  Showing corallites.

Caulastrea echinulata.Ryukyu Islands, Japan.Showing corallites.

Caulastrea echinulata.  Great Barrier Reef, Australia.  Showing colony structure.

Caulastrea echinulata.Great Barrier Reef, Australia.Showing colony structure.