Orbicella annularis

Super Group: 
Eukaryota
Phylum: 
Cnidaria
Class: 
Anthozoa
Order: 
Scleractinia
Family: 
Merulinidae (
Genus: 
Orbicella
Species: 
annularis
Authority: 
(Ellis & Solander, 1786)
Synonym(s): 
Astrea annularis (Ellis & Solander, 1786)
Heliastrea annularis (Ellis & Solander, 1786)
Madrepora annularis Ellis & Solander, 1786
Montastraea annularis (Ellis & Solander, 1786)
Montastrea annularis (Ellis & Solander, 1786)
Orbicella annularis var. guineensis Gravier, 1909

Suggest a modification

Diagnosis

Colonies are massive, columnar or flat. Corallites are flush with the colony surface to conical, this variation mostly occurring between, rather than within, colonies. Septo-costae are neatly arranged. Long and short septa alternate. Columellae are small and compact.
Colour: Brown or yellowish.

Reference(s)

Observation site(s)

SYMBIONTS

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Association with... Region origin Name of site In reference...
Symbiodinium sp. San Blas Island