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| Care Description | Acropora are the crown jewel of the SPS world. No other genus has the sheer number of species as Acropora and when reef aquarists talk about the requirements to keep an SPS system, they are talking specifically about the care requirements of Acropora. Having said that, Acropora are one of the most difficult corals to keep. They are highly sensitive to changes in water chemistry and require the most in terms of flow and light. Many experienced hobbyists have struggled keeping Acropora long term, but that is part of the attraction to this coral. Lastly, Acropora benefit greatly from a well established aquarium, preferably one that has been set up at least for 1 year. Please see below for additional care tips for Acropora. |
| Water Flow | Strong |
| Temperature | 22.2°C / 71.96°F - 25.6°C / 78.08°F |
| Specific Gravity | 1.023-1.026 |
| Carbonate Hardness | 8-12 |
| pH | 8.1-8.4 |
General Description:
Acropora, known as the crown jewel of the SPS (Small Polyp Stony) coral world, boasts the largest number of species in the genus. Often considered the epitome of SPS care requirements in reef aquaria, these corals are revered for their intricate structures and vibrant colors.
Demands and Hardiness:
Acropora are notoriously challenging to keep due to their high sensitivity to fluctuations in water chemistry. They demand meticulous attention to water quality and stability. Adequate flow and intense lighting are essential for their survival, making them a choice only for experienced aquarists. A well-established aquarium, preferably aged for at least a year, is beneficial for their long-term health.
Lighting:
Acropora thrive under high lighting conditions, such as high output fluorescent bulbs (T5) or even more intense sources like metal halides (MH). The coral's coloration is likely to vary based on the lighting intensity provided. Acclimating Acropora to intense lighting, especially metal halides, may require a gradual process. Vibrant color changes, from red to green hues, are common in response to tank conditions and lighting adjustments.
Water Flow:
For optimal health, Acropora requires strong water movement within the aquarium. Providing adequate water flow helps in nutrient uptake, waste removal, and maintains a healthy environment for these delicate corals.
Feeding:
While Acropora primarily rely on the products of their symbiotic zooxanthellae, direct feeding can be beneficial. They feed on phytoplankton and zooplankton, requiring small-sized liquid or powdery foods. A mix of nutrient-rich frozen fish foods, including rotifer-based varieties with vitamin additives and highly unsaturated fatty acids (HUFA), can supplement their diet. Feeding with a turkey baster by spraying food directly onto the polyps is an effective method.
Propagation:
Acropora has been extensively propagated in captivity, making it a promising candidate for aquaculture efforts. With sustainable harvesting practices, it is feasible to increase their availability in the hobby and conservation initiatives.
Localization & Habitat:
Naturally found in the Indo-Pacific region, Acropora species thrive in environments like the islands of Fiji, Tonga, Solomon Islands, and the iconic Great Barrier Reef. Their distribution in these warm, tropical waters underscores their preference for stable and nutrient-rich marine habitats.