Green Hammer Ancora CoralEuphyllia ancora, commonly known as the Hammer Coral, is a long standing favorite in the reef aquarium hobby. Its appeal lies in its graceful movement and distinct polyp shape, which adds a unique visual element to any reef tank. The gentle swaying of its tentacles in the current provides a sense of motion that few other corals can replicate, making it a captivating centerpiece. This species typically forms large colonies with a branching or wall like