Gold Hammer is WYSIWYG coral frag. Hardy and easy to care for in lower light, lower flow aquariums.
Euphyllia is a coral Genus name that includes those corals commonly known as Torch, Frogspawn, and Hammer corals. All are common LPS corals that exhibit large, fleshy tentacle heads over skeletons that are normally either branching or wall patterned. They are most easily distinguished from one another by the shape of the tentacles, although some specimens may show mixed characteristics that make an absolute ID tricky.
All Euphyllia are prone to sweeper tentacle formation and will aggressively sting any near neighbors that they brush against. These corals have a sharp skeleton at the base of the polyp and excessive flow can cause tearing. They may also fail to fully expand under high flow conditions. Take care to allow the Euphyllia to fully close before moving them to avoid tearing. These corals are somewhat prone to brown jelly type infections if stressed or damaged. Infected heads should be removed immediately to prevent spread of the disease.