831 species

Porites horizontalata

Hoffmeister, 1925

Porites

Link, 1807

Characters: Colonies are composites of encrusting laminae and contorted anastomosing branches. Corallites are separated into groups by ridges.

Colour: Pale brown with cream extremities of branches and plates. Sometimes brightly coloured in shallow water.

Similar Species: Laminar parts of colonies resemble those of Porites vaughani. Branching parts of colonies may have corallites arranged in a P. rus-like pattern. Calice characters are closest to P. eridani.

Habitat: Shallow reef environments.

Abundance: Sometimes common.

Taxonomic Note: A species complex.

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