Common name: Granulosa Acropora

General Information

The Granulosa Acropora, scientifically known as Acropora granulosa, is a stunning coral species prized by reef enthusiasts for its vibrant coloration and intricate branching structure. This species, belonging to the Acroporidae family, is known for its growth in shallow reef environments, where it receives ample sunlight and water flow. Its unique appearance and growth patterns make it a popular choice for experienced aquarists looking to add a splash of color and complexity to their reef tanks.

In the wild, Acropora granulosa is found in the Indo-Pacific region, gracing the coral reefs from the Red Sea to the central Pacific Ocean. Its striking colors, ranging from deep blues to vivid greens and purples, can vary depending on the lighting conditions and water chemistry, making it a dynamic addition to any reef aquarium.

Care

Caring for Acropora granulosa requires a well-established reef tank with stable water parameters. This coral thrives in environments that mimic its natural habitat, with intense lighting and strong water flow to ensure optimal health and vibrant coloration. Due to its sensitivity to changes in water quality, it is best suited for aquarists with experience in maintaining SPS (Small Polyp Stony) corals.

To maintain its health, ensure that calcium, alkalinity, and magnesium levels are kept within the ideal range, as these elements are crucial for skeletal growth. Regular water changes and monitoring of nutrient levels will help prevent issues such as tissue recession or bleaching.

Diet and Feeding

Acropora granulosa is primarily photosynthetic, relying on the symbiotic relationship with zooxanthellae algae within its tissues to produce energy through photosynthesis. However, it can benefit from occasional supplemental feedings of coral-specific foods, such as phytoplankton or amino acid supplements, to support its growth and coloration.

Behavior and Compatibility

Acropora granulosa is a peaceful coral species that can coexist with a variety of other reef inhabitants. It is important to provide ample space between it and other corals to prevent aggressive interactions or chemical warfare. This species can be sensitive to changes in water quality and lighting, so maintaining a stable environment is essential for its well-being.

Propagation

Propagation of Acropora granulosa is typically achieved through fragging, a process where small branches are carefully cut and attached to a substrate to grow into new colonies. This method allows hobbyists to share and expand their coral collections. Proper care must be taken during fragging to ensure minimal stress and optimal recovery for the coral.

Symbiosis

Acropora granulosa has a symbiotic relationship with zooxanthellae, a type of algae that lives within its tissues. This relationship is crucial for the coral's survival, as the algae provide essential nutrients through photosynthesis, while the coral offers a protected environment and access to sunlight.

Health and Common Issues

Acropora granulosa is susceptible to common coral ailments such as bleaching, tissue recession, and pest infestations. Maintaining stable water parameters, regular monitoring, and prompt treatment of any issues are vital to ensure the health of this coral. Quarantining new coral additions and maintaining good tank hygiene can prevent the spread of diseases and pests.

Conservation Status

As a species listed under CITES Appendix II, Acropora granulosa is not currently considered endangered but is subject to trade regulations to ensure its survival in the wild. Responsible sourcing and adherence to legal guidelines are essential for hobbyists looking to add this coral to their collections.