Species: Euphyllia Ancora Aproximate size: 2.5" - 3.5" Colors: Yellow, Gold, Purple, Green The hammer coral, scientifically known as Euphyllia ancora, is a captivating and popular choice in marine aquariums. It belongs to the family Euphylliidae and is native to the Indo-Pacific region, often found in shallow reefs. Physical Characteristics Structure: Hammer coral gets its name from its unique branching structure, where individual polyps extend from the main skeleton like hammerheads. These polyps can vary in size and typically have a fleshy appearance. Coloration: They exhibit a range of vibrant colors, including greens, blues, yellows, and purples. The colors can change depending on the lighting and the health of the coral. Tentacles: The tentacles of hammer coral are short and stubby, and they can extend quite a bit when the coral is healthy and feeding. They have a fleshy texture and can be quite mesmerizing when swaying gently in water currents. Habitat Environment: Hammer corals thrive in warm, shallow waters where they can receive ample light. They often inhabit reef slopes and lagoons, typically at depths of 10 to 30 meters. Symbiotic Relationships: Like many corals, hammer corals have a symbiotic relationship with zooxanthellae, photosynthetic algae that live within their tissues. This relationship provides the coral with energy through photosynthesis. Care in Aquariums Lighting: They prefer moderate to high lighting, which helps promote their vibrant colors and overall health. LED lights or T5 fluorescent lights are commonly used. Water Flow: Hammer corals enjoy moderate water flow. Too strong of a current can damage the delicate polyps, while too little flow can lead to detritus buildup. Water Parameters: Ideal conditions include a temperature of 76-80°F, salinity around 1.025-1.026, and pH levels between 8.1-8.4. Regular water changes and good filtration are essential to maintain water quality. Feeding Hammer corals are primarily photosynthetic but can benefit from supplemental feeding. They can be fed small meaty foods like mysis shrimp or finely chopped seafood a few times a week. Additionally, providing amino acids and coral foods can enhance their health and growth. Behavior and Compatibility Aggression: Hammer corals can be territorial and may have aggressive interactions with nearby corals, especially if they come into contact. It’s best to provide ample space between them and other corals to minimize stinging. Growth: They grow relatively slowly, and it may take time for them to reach significant sizes. Under ideal conditions, they can develop large, bushy colonies over several years. These corals are for saltwater aquariums only. This is the exact specimen you will receive, however, due to differences in tank lighting and screen settings, this item may look slightly different in your aquarium. For measurement reference use the picture with the black grid and the ruler. For acclimation details see here.
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