831 species

Favia rotumana

(Gardiner, 1899)

Favia

Oken, 1815

Characters: Colonies are usually hemispherical, submassive or flat, and subplocoid. Corallites on convex surfaces are clearly subplocoid, those on flat surfaces are crowded, becoming cerioid and irregular in shape, and may have up to three centres. Septa are exsert, thin and irregular; they plunge steeply inside the wall. Paliform lobes are poorly developed or absent.

Colour: A wide range, usually with contrasting corallite walls and oral discs.

Similar Species: Favia matthaii, which also has irregular septa but corallites are circular and smaller. See also Favites russelli.

Habitat: Upper reef slopes.

Abundance: Uncommon.

Taxonomic Note: A species complex.

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