Characters: Colonies are small (<100 mm diameter), encrusting. Corallites are small (<0.7 mm diameter), not moderately space, and have the same septal configuration as P. rus. The consteum is covered with distinctive spinules.
Colour: Mottled yellow and green-brown.
Similar Species: Porites rus has very similar corallites which are more widely spaced, lacks conspicuous coenosteum spinules, and forms large colonies.
Habitat: Reef habitats.
Abundance: Common.
Taxonomic Note: Cryptic species.
Taxonomic References: Forsman, Martinez, Maragos et al. (2010);