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Echinopora gemmacea

Lamarck, 1816

Colonies are laminar and bifacial, sometimes forming contorted branches. Corallites are 3.5-4.5 millimetres diameter. Columellae are large, and paliform lobes are not well developed. Primary septa may be thick and are always exsert.

Colour: Usually grey, sometimes pale cream to dark brown or green.

Habitat: Shallow protected reef environments.

Abundance: Usually uncommon.

Similar species:

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Chevalier (1975), Veron, Pichon and Wijsman-Best (1977). Additional identification guides: Veron (1986), Sheppard and Sheppard (1991), Nishihira and Veron (1995).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Echinopora gemmacea.  Ryukyu Islands, Japan.  Encrusting a pile of rubble.  Charlie Veron.

Echinopora gemmacea. Ryukyu Islands, Japan. Encrusting a pile of rubble. Charlie Veron.

Echinopora gemmacea.  Ashmore Reef, western Australia.  E. gemmacea (right) being overgrown by E. lamellosa (left).  Charlie Veron.

Echinopora gemmacea. Ashmore Reef, western Australia. E. gemmacea (right) being overgrown by E. lamellosa (left). Charlie Veron.

Echinopora gemmacea.  Ryukyu Islands, Japan.  Corallites at the edge of a plate.  Charlie Veron.

Echinopora gemmacea. Ryukyu Islands, Japan. Corallites at the edge of a plate. Charlie Veron.

Echinopora gemmacea.  Ryukyu Islands, Japan.  Corallites on a submassive colony.  Charlie Veron.

Echinopora gemmacea. Ryukyu Islands, Japan. Corallites on a submassive colony. Charlie Veron.

Echinopora gemmacea.  Great Barrier Reef, Australia.  Corallite detail.  Mary Stafford-Smith.

Echinopora gemmacea. Great Barrier Reef, Australia. Corallite detail. Mary Stafford-Smith.

Echinopora gemmacea.  Great Barrier Reef, Australia.  Showing whole colony.

Echinopora gemmacea. Great Barrier Reef, Australia. Showing whole colony.

Echinopora gemmacea.  Great Barrier Reef, Australia.  Showing plate formation.

Echinopora gemmacea. Great Barrier Reef, Australia. Showing plate formation.

Echinopora gemmacea.  Great Barrier Reef, Australia.  Showing branch end.

Echinopora gemmacea. Great Barrier Reef, Australia. Showing branch end.

Echinopora gemmacea.  Great Barrier Reef, Australia.  Showing corallites.

Echinopora gemmacea. Great Barrier Reef, Australia. Showing corallites.

Echinopora gemmacea.  Great Barrier Reef, Australia.  Showing corallites.

Echinopora gemmacea. Great Barrier Reef, Australia. Showing corallites.

Echinopora gemmacea.  Southern Red Sea.  Showing corallite detail.

Echinopora gemmacea. Southern Red Sea. Showing corallite detail.