Blue Goniopora Coral WYSIWYG Approximately 3" You will receive the exact blue Goniopora coral pictured. Goniopora Coral Care: Low to medium flow and light. Goniopora prefer a tank that has been setup at least six months. Some Goniopora species are delicate but at Lucky Corals we select hardier varieties. Goniopora corals can usually touch other Goniopora and often Alveopora but its best not to place Alveopora too close as fighting can occur. Goniopora do create calcium skeletons so Calcium levels must be maintained by water changes or addition of calcium to the reef aquarium. More Goniopora corals are for sale here: Goniopora for Sale