Characters: Colonies are encrusting with a nodular surface forming short branches. Corallites are deeply excavated giving a cellular appearance. Very tall pali are visible underwater where they resemble slightly extended tentacles. Colour: Usually grey, green or blue. Similar species: Porites annae, which has less cellular corallites and more irregularly fused branches. Calice characters are closest to P. aranetai. Habitat: Shallow reef environments. Abundance: Occasionally locally common