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Diploria labyrinthiformis

(Linnaeus, 1758)

Colonies are massive and usually hemispherical. Valleys are meandroid, parallel or sinuous, deep and 5-8 millimetres wide. Ambulacral grooves vary greatly in width within the same colony but may be wider than the valleys giving the superficial appearance of alternating valleys of two different sorts. Columellae are fine and do not form distinct centres.

Colour: Tan to yellowish- or grey-brown.

Habitat: Shallow reef environments.

Abundance: Common.

Similar species: Colpophyllia natans

Taxonomic note: Source reference: Veron (2000). Taxonomic references: Roos (1971), Cairns (1982), Zlatarski and Estalella (1982). Additional identification guides: Colin (1978), Humann (1993).

Map displaying probable distribution of species. Points indicate recorded sightings from OBIS.
Diploria labyrinthiformis.  Caribbean.  This species forms conspicuous massive colonies.  Mary Stafford-Smith.

Diploria labyrinthiformis.Caribbean.This species forms conspicuous massive colonies.Mary Stafford-Smith.

Diploria labyrinthiformis.  Caribbean.  Forming an irregular colony, parts of which have wide ambulacral grooves.  Charlie Veron.

Diploria labyrinthiformis.Caribbean.Forming an irregular colony, parts of which have wide ambulacral grooves.Charlie Veron.

Diploria labyrinthiformis.  Caribbean.  Showing the alteration between valleys (which have retracted tentacles) and ambulacral grooves (wider then the valleys).  Neville Coleman.

Diploria labyrinthiformis.Caribbean.Showing the alteration between valleys (which have retracted tentacles) and ambulacral grooves (wider then the valleys).Neville Coleman.

Diploria labyrinthiformis.  Caribbean.  Surface detail of valleys and ambulacral grooves.  Charlie Veron.

Diploria labyrinthiformis.Caribbean.Surface detail of valleys and ambulacral grooves.Charlie Veron.

Diploria labyrinthiformis.  Caribbean.  Showing valleys.

Diploria labyrinthiformis.Caribbean.Showing valleys.

Diploria labyrinthiformis.  Caribbean.  Showing valleys.

Diploria labyrinthiformis.Caribbean.Showing valleys.

Diploria labyrinthiformis.  Caribbean.  Showing colony surface.

Diploria labyrinthiformis.Caribbean.Showing colony surface.