Characters: Colonies are commonly more than 2 metres across and are composed of prostrate flattened branches which fuse. Verrucae vary greatly in size from one colony to a neighbouring colony. Colour: Greenish-brown or tan. Similar species: Pocillopora fungiformis. See also P. danae, which forms smaller colonies with relatively uniform branches. Habitat: Shallow reef environments and rocky foreshores exposed to strong wave action. Abundance: Common at Clipperton Atoll and rocky foreshores of western Mexico.