Greentip Hammer Coral
The Greentip Hammer Coral is a large polyp stony coral named for its hammer-shaped tentacles. The polyps, which are open throughout the day and night, can vary in color from greens to browns with yellow or bright green on the tips of the tentacles. Ensure it has ample space from other corals as it's tentacles can extend up to six inches to sting them. This coral benefits from the addition of trace elements, strontium, calcium and iodine.