Common name: Blue Tort Acropora

Scientific name: Acropora tortuosa (Dana, 1846)

General Information

Acropora tortuosa, commonly known as the Blue Tort Acropora, is a stunning coral species highly prized by reef aquarists for its vibrant blue coloration and intricate branching patterns. This species is part of the Acroporidae family, which includes some of the most sought-after stony corals in the aquarium trade. Known for its rapid growth and striking appearance, Acropora tortuosa makes a captivating addition to any reef tank.

In the wild, Acropora tortuosa contributes significantly to reef-building processes, providing essential habitat and shelter for a variety of marine life. Its complex structure supports biodiversity and plays a crucial role in the health and stability of coral reef ecosystems.

Details

Estimated price
Moderate
Lighting
250 to 400 PAR
Salinity
S.G. 1.024 to 1.026
Temperature
24 to 28 °C (75 to 82 °F)
Acidity
pH 8.1 to 8.4
Care level
Moderate to difficult
Flow
High
Aggression
Peaceful
CITES
Appendix II
IUCN Red List
EX
EW
CR
EN
VU
NT
LC

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Cnidarians
    Cnidaria
  3. Class
    Anthozoans
    Anthozoa
  4. Order
    Stony Corals
    Scleractinia
  5. Family
    Acroporidae
    Acroporidae
  6. Genus
    Acropora
    Acropora
  7. Species
    Blue Tort Acropora
    Acropora tortuosa (Dana, 1846)
  8. Synonyms
    Acropora implicata (Dana, 1846)
    Madrepora implicata Dana, 1846
    Madrepora tortuosa Dana, 1846
  9. Source: GBIF | Global Biodiversity Information Facility

Care

Caring for Acropora tortuosa requires attention to water quality, lighting, and flow. As a photosynthetic coral, it relies heavily on strong lighting to thrive, with metal halides or high-output LEDs being ideal. The coral prefers moderate to high water flow, which helps maintain its health by ensuring proper gas exchange and nutrient delivery.

Due to its sensitivity to water parameters, maintaining stable alkalinity, calcium, and magnesium levels is crucial. Regular water testing and supplementation may be necessary to support its growth and vibrant coloration.

Diet and Feeding

Acropora tortuosa primarily relies on photosynthesis for its nutritional needs, thanks to the symbiotic relationship with zooxanthellae algae living in its tissues. However, it can benefit from occasional supplemental feeding with coral-specific foods like phytoplankton or amino acid solutions, which can enhance growth and coloration.

Behavior and Compatibility

Acropora tortuosa is generally peaceful but can exhibit aggressive behavior towards nearby corals, especially if they encroach on its space. Its tentacles can sting neighboring corals, so it's advisable to provide ample space between it and other species.

This coral is compatible with a wide range of reef-safe fish and invertebrates, making it a suitable choice for community reef tanks. Avoid placing it near aggressive corals that might overrun it or compete for resources.

Propagation

Propagation of Acropora tortuosa is typically done through fragging, where small branches are cut and attached to a substrate to grow into new colonies. This method is not only effective for expanding coral collections but also for sharing with other hobbyists.

Symbiosis

Acropora tortuosa maintains a mutualistic relationship with zooxanthellae algae, which reside within its tissues. The algae provide the coral with essential nutrients through photosynthesis, while the coral offers the algae protection and access to sunlight.

Health and Common Issues

Acropora tortuosa is susceptible to common coral ailments like tissue necrosis and bleaching, often triggered by fluctuations in water parameters or inadequate lighting. Maintaining stable conditions and providing optimal lighting are key to preventing these issues.

When selecting a specimen, look for healthy, vibrant coloration and intact tissue. Avoid corals with signs of bleaching or tissue damage, as these may indicate underlying health problems.

Habitat

Naturally, Acropora tortuosa inhabits shallow reef environments in the Indo-Pacific region. It thrives in areas with strong water movement and ample sunlight, which are conditions that should be replicated in captivity to ensure its health and growth.