831 species

Porites nigrescens

Dana, 1846

Porites

Link, 1807

Characters: Colonies are branching, sometimes with an encrusting base. Concave calices give the surface a pitted appearance. Tentacles are frequently extended during the day.

Colour: Brown or cream.

Similar Species: Porites cylindrica, which is usually found in the same habitat where it has less excavated corallites and thicker branches. See also P. negrosensis and P. rugosa.

Habitat: Common on lower reef slopes and lagoons protected from wave action.

Abundance: Sometimes common.

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