831 species

Agaricia grahamae

Wells, 1973


Lamarck, 1801

Characters: Colonies form flat unifacial explanate plates which are commonly arranged in whorls. Corallites are at the bottom of long, roughly concentric V-shaped valleys. Centres are widely spaced (3-5 per cm). Septa are thick, do not alternate, and most reach the corallite centre.

Colour: Tan or grey, usually with pale margins.

Similar Species: Agaricia lamarcki. See also A. fragilis and A. undata, which have smaller valleys.

Habitat: Shallow reef environments.

Abundance: Uncommon.

Taxonomic References: Wells (1973a); Fenner (1999); Veron (2000a);

Identification Guides: Humann (2002);

COTW History since Veron (2000a)
  • Family: All families are currently under review
  • Genus/species: No change