Blastomussa wellsi (Ultra)

• Indo-Pacific
• Moderate Care Level
• For Intermediate Hobbyists
• Low to Moderate Placement in Reef Tank

Blastomussa wellsi (Ultra) is a striking species of LPS (Large Polyp Stony) coral native to the Indo-Pacific region. Known for its vibrant and bold colors, including shades of red, pink, green, and purple, B. wellsi (Ultra) is highly sought after by coral enthusiasts for its stunning visual appeal. The species features large, fleshy polyps that can extend outward to form a dense, spherical structure, giving it a unique and captivating look. It is a relatively hardy species, but it requires careful attention to water parameters and lighting to thrive.

Due to its moderate care requirements, B. wellsi (Ultra) is best suited for intermediate hobbyists who are comfortable maintaining stable and consistent tank conditions.

Placement in the Tank

Blastomussa wellsi (Ultra) prefers low to moderate lighting. While it can tolerate a range of lighting intensities, it thrives under light levels of 100-200 PAR, making it ideal for placement in the middle to lower sections of the reef tank. Too much light intensity can cause stress and bleaching, so it is best to place it in a spot with indirect light.

For water flow, B. wellsi (Ultra) prefers gentle to moderate flow. Strong, turbulent water currents may cause the coral’s polyps to retract or become damaged, while stagnant water can inhibit proper feeding and nutrient exchange. A balanced flow is necessary to keep the coral healthy and to prevent debris buildup.

Water Parameters

Maintaining stable and consistent water parameters is key to the health and growth of Blastomussa wellsi (Ultra). The ideal ranges include:

• Temperature: 24°C to 28°C (75°F to 82°F), with 26°C (79°F) being optimal.
• Salinity: 1.023–1.025 specific gravity (SG), with 1.024 being optimal.
• pH: 8.0 to 8.4, with an ideal pH of 8.2.
• Alkalinity (dKH): 8-12 dKH, with 9-10 dKH being ideal for healthy growth.
• Calcium: 400-450 ppm for proper skeletal formation.
• Magnesium: 1250-1350 ppm.
• Nitrate: Less than 5 ppm, as high nitrate levels can lead to poor coral health.
• Phosphate: Below 0.03 ppm, as elevated phosphate levels can promote unwanted algae growth that competes for nutrients.

Feeding

While Blastomussa wellsi (Ultra) derives most of its nutrition from its zooxanthellae algae via photosynthesis, it is also a filter feeder. In aquariums where plankton is limited, supplemental feeding is necessary. Offer zooplankton, phytoplankton, or finely chopped meaty foods such as mysis shrimp or brine shrimp a couple of times per week. Overfeeding should be avoided, as excess food can deteriorate water quality and contribute to nutrient imbalances.

Maintenance and Care

Proper maintenance of Blastomussa wellsi (Ultra) involves regular monitoring and upkeep:

• Water Changes: Perform regular water changes (10-15% weekly) to maintain water quality and remove harmful substances.
• Water Parameter Monitoring: Consistently check parameters such as temperature, pH, calcium, alkalinity, and nitrate to ensure they remain stable within the recommended range.
• Pruning: Blastomussa wellsi (Ultra) does not require frequent pruning, but make sure it has enough space to expand and grow without crowding out other corals.
• Pest Control: Keep an eye out for pests like flatworms, Aiptasia, and nudibranchs, which can harm or irritate the coral. Promptly address any pest issues to prevent long-term damage.

Compatibility

Blastomussa wellsi (Ultra) is a relatively peaceful coral, but it can be territorial when placed too close to other corals. Its long, stinging tentacles can damage nearby corals, so it is best to give it sufficient space. Avoid placing it near aggressive species, such as SPS corals or other LPS species with similar long tentacles. It thrives when housed with other non-aggressive corals, provided there is enough room for it to expand.

Conclusion

Blastomussa wellsi (Ultra) is an eye-catching and beautiful coral that can add a burst of vibrant color to any reef tank. With proper care, stable water parameters, and regular attention, it can thrive and become a striking centerpiece in your aquarium. Its moderate care level makes it well-suited for intermediate hobbyists who can maintain the necessary tank conditions and provide the space and care this species needs to flourish.