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Euphyllia glabrescens

(Chamisso and Eysenhardt, 1821)

Colonies are phaceloid; corallites are 20-30 millimetres diameter and 15-30 millimetres apart. Walls are thin, with sharp edges. Septa are not exsert; first and second order septa plunge steeply near the centre of the corallite. There are no columellae. Polyps have large tubular tentacles with knob-like tips.

Colour: Grey-blue to grey-green with cream, green, pink or white tips to the tentacles.

Habitat: A wide range of reef environments.

Abundance: Uncommon but conspicuous, rare in the Red Sea.

Similar species: Heliofungia actiniformis

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).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Euphyllia glabrescens.  Papua New Guinea.  Large colonies where the mass of long tentacles obscures all underlying structure.  Jim Maragos.

Euphyllia glabrescens.Papua New Guinea.Large colonies where the mass of long tentacles obscures all underlying structure.Jim Maragos.

Euphyllia glabrescens.  Ashmore Reef, western Australia.  Large colonies where the mass of long tentacles obscures all underlying structure.  Charlie Veron.

Euphyllia glabrescens.Ashmore Reef, western Australia.Large colonies where the mass of long tentacles obscures all underlying structure.Charlie Veron.

Euphyllia glabrescens.  Indonesia.  A single polyp.  Neville Coleman.

Euphyllia glabrescens.Indonesia.A single polyp.Neville Coleman.

Euphyllia glabrescens.  Thailand.  This species usually has little variation in colour. Tentacles always have white

Euphyllia glabrescens.Thailand.This species usually has little variation in colour. Tentacles always have white 'golfball' tips.Charlie Veron.

Euphyllia glabrescens.  Indonesia.  An unusual colour variation.  Charlie Veron.

Euphyllia glabrescens.Indonesia.An unusual colour variation.Charlie Veron.

Euphyllia glabrescens.  Great Barrier Reef, Australia.  Showing corallites.

Euphyllia glabrescens.Great Barrier Reef, Australia.Showing corallites.

Euphyllia glabrescens.  Great Barrier Reef, Australia.  Showing corallites.

Euphyllia glabrescens.Great Barrier Reef, Australia.Showing corallites.

Euphyllia glabrescens.  Great Barrier Reef, Australia.  Showing corallites.

Euphyllia glabrescens.Great Barrier Reef, Australia.Showing corallites.

Euphyllia glabrescens.  Great Barrier Reef, Australia.  Showing branching pattern.

Euphyllia glabrescens.Great Barrier Reef, Australia.Showing branching pattern.