Whitestar Sheet Coral
Agaricia lamarcki

f22 @ 1/60S, ASA 25, Kodachrome 25 slide film, Nikonos II w 28mm and 1;3 extension tube, Oceanic 2000 flash and aluminum flash refeltor

"Agaricia lamarcki," www.coralsoftheworld.org. Colonies form flat, unifacial, explanate or encrusting plates, commonly arranged in whorls. Corallites are in concentric valleys. Centres are widely spaced (3-5 per cm). Long and short septo-costae clearly alternate. Rust brown, usually with pale margins. Mouths are white and star-shaped, a useful identification aid.

Salt River Canyon, St. Croix, U.S. Virgin Islands

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