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Solitary disk corals
Scolymia spp.

Coral forms a solitary, large fleshy, circular to oval polyp, attached to the substrate. Underlying skeleton with evident serrated radiating lines. Central area of corallite usually flat to somewhat convex, rarely concave.

Darker shades of gray to brown, green and blue-green; base color often radially streaked with lighter shades. May fluoresce.

Corallites up to 10 cm in diameter, with about 80 serrated septa. Columella trabecular and discontinuous.

Generally inhabit deep reefs and walls, down to nearly 100 m. Prefer shaded areas on rocky substrates and also grow in low-light conditions under ledge overhangs and in cave openings. Polyp tentacles retracted during the day, but visible at night (Scolymia exposing tentacles).

Occasional South Florida, Bahamas and Caribbean.

Two species of this genus are recorded from the Leeward Island group: Scolymia lacera and Scolymia cubensis. Positive identification requires magnified examination of the septa.

Solitary disk corals (Scolymia spp.)