Rainbow Gold Branching Hammer CoralBranching Hammer corals (Euphyllia ancora or fimbriata) are hardy, fast growing LPS corals that thrive in stable reef tanks with low to moderate light and should be placed with ample space to avoid stinging neighbors. Key Care Requirements: Lighting: Moderate light. They can be placed on the lower middle of the reef. Too much light can cause stress, while too little may slow growth. Flow: Low to moderate, indirect flow is essential. The tentacles