Marine Life Online offers a wide selection of large polyp stony corals that will make an attractive addition to any reef aquarium. Large Polyp stony corals range from a single colony of thousands of small anemones like polyps or a few or one very large polyp on a calcium skeleton. Large polyp stony corals have noticeable tentacles that are used to capture food. Large polyp stony corals are well adapted for reef aquariums. When they extend their polyps, it is very important to space them apart so they do not sting each other.

Marine Life Online offer a wide selection of small polyp stony corals that make a nice addition to a reef tank provided with plenty of light. Some small polyp stony corals are tank propagated; others are aqua cultured in about 15 foot of ocean water. Some small polyp stony coral colonies are in more demand than other coral types. Some are native to shallow reef areas in the open oceans thus are adapted to and need very bright light. Most small polyp stony corals will not adapt to fluctuations in water conditions. Small polyp stony corals like very low nitrite, nitrate, phosphate levels and moderate to strong water circulation. Small polyp stony corals benefit from good water quality and high pH is also important.