Isophyllia rigida

Isophyllia rigida (Dana, 1848)
Rough star coral

photo by Veron, Charlie (J.E.N.)

Family:	Faviidae ()
Max. size:
Environment:	reef-associated; marine; depth range 0 - 35 m
Distribution:	Western Central Atlantic: Caribbean Sea to Bermuda, and south to Venezuela. Northwest Atlantic: USA and Canada.
Diagnosis:	Formation: massive and cerioid, or in short series of several centers. Rudimentary columellae. Septa: thin, with pointed fine teeth. Color: often mottled gray-green; walls and valleys in contrasting color (Ref. 848).
Biology:	Maximum depth from Ref. 116012. Zooxanthellate (Ref. 116012). Occurs in most reef environments, especially in surge channels (Ref. 848).
IUCN Red List Status:	(LC); Date assessed: 01 June 2021 Ref. 123251)
Threat to humans:	harmless
Country info:

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