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Coscinaraea columna

(Dana, 1846)

Colonies are encrusting or massive, sometimes hillocky. Columellae are compacted pinnules set well below the septo-costae. Septo-costae are not heavily granulated.

Colour: Usually bright greenish-yellow, also greys and browns.

Habitat: Shallow reef environments.

Abundance: Sometimes common.

Similar species:

Taxonomic note: Source reference: Veron (2000). Taxonomic reference: Veron and Pichon (1980). Additional identification guides: Randall and Myers (1983), Veron (1986), Sheppard and Sheppard (1991), Nishihira and Veron (1995), Carpenter et al. (1997).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Coscinaraea columna.  Ryukyu Islands, Japan.  This species does not form columns, it forms dome-shaped or flat colonies with plate-like margins.  Charlie Veron.

Coscinaraea columna.Ryukyu Islands, Japan.This species does not form columns, it forms dome-shaped or flat colonies with plate-like margins.Charlie Veron.

Coscinaraea columna.  Mainland Japan.  In an algae dominated non-reef community.  Charlie Veron.

Coscinaraea columna.Mainland Japan.In an algae dominated non-reef community.Charlie Veron.

Coscinaraea columna.  Great Barrier Reef, Australia.  Surface of a large colony.  Charlie Veron.

Coscinaraea columna.Great Barrier Reef, Australia.Surface of a large colony.Charlie Veron.

Coscinaraea columna.  Papua New Guinea.  Colony surface.  Charlie Veron.

Coscinaraea columna.Papua New Guinea.Colony surface.Charlie Veron.

Coscinaraea columna.  Tonga, south-west Pacific.  Colony surface.  Gustav Paulay.

Coscinaraea columna.Tonga, south-west Pacific.Colony surface.Gustav Paulay.

Coscinaraea columna.  Great Barrier Reef, Australia.  Surface detail with tentacles extended during the day.  Charlie Veron.

Coscinaraea columna.Great Barrier Reef, Australia.Surface detail with tentacles extended during the day.Charlie Veron.

Coscinaraea columna. Skeletal detail.  Geoff Kelly.

Coscinaraea columna.Skeletal detail.Geoff Kelly.

Coscinaraea columna.  Great Barrier Reef, Australia.  Showing corallites.

Coscinaraea columna.Great Barrier Reef, Australia.Showing corallites.

Coscinaraea columna.  Great Barrier Reef, Australia.  Showing corallites.

Coscinaraea columna.Great Barrier Reef, Australia.Showing corallites.

Coscinaraea columna.  Great Barrier Reef, Australia.  Showing colony surface.

Coscinaraea columna.Great Barrier Reef, Australia.Showing colony surface.

Coscinaraea columna.  Great Barrier Reef, Australia.  Showing corallite centres in valleys.

Coscinaraea columna.Great Barrier Reef, Australia.Showing corallite centres in valleys.