Xenia Coral Care Guide – Care, Feeding & Lighting Tips

Introduction

Xenia corals (Xenia species), commonly known as Pulsing Xenia, are unique soft corals admired for their rhythmic, pulsing polyps. Their constant motion creates a dynamic effect in aquariums, making them a popular choice for reef keepers. However, their rapid growth requires careful placement and management.

Scientific Name & Identification

Xenia belong to the family Xeniidae and are characterized by stalk-like structures topped with clusters of polyps that pulse rhythmically. Their coloration ranges from soft tans and browns to pale blues and silvers, often with a shimmering effect under actinic lighting.

Natural Habitat

In the wild, Xenia corals are found throughout the Indo-Pacific, inhabiting shallow reef flats and lagoons. They thrive in areas with nutrient-rich water and gentle to moderate currents, conditions that allow them to form dense colonies.

Aquarium Care & Setup

To keep Xenia thriving:

• Temperature: 74–80°F (23–27°C)

• pH: 8.1–8.4

• Salinity: 1.024–1.026

• Flow: Low to moderate; excessive flow can reduce pulsing

• Lighting: Moderate; adjust intensity to maintain healthy color and activity

• Placement: Isolate on rubble or a separate rock structure to control spreading

Feeding

Xenia corals are primarily sustained by photosynthesis via symbiotic zooxanthellae. While not required, occasional supplementation with phytoplankton or coral-specific powdered foods may enhance growth and vigor.

Growth and Behavior

Xenia are among the fastest-growing soft corals. They reproduce rapidly by spreading across rock surfaces or detaching small colonies that drift and attach elsewhere. Their pulsing polyps add a captivating, rhythmic movement to reef displays, but their invasive nature requires caution.

Tankmates

Xenia corals are compatible with most reef-safe fish and many hardy corals. They pair well with clownfish, gobies, tangs, and wrasses. However, avoid placing them near delicate SPS or slow-growing corals that could be overrun by Xenia colonies.

Conclusion

Xenia corals bring life and motion to reef aquariums with their pulsing polyps and rapid growth. While easy to care for, their invasive tendencies make them best suited for isolated placement. For aquarists looking for a visually dynamic coral with minimal care requirements, Pulsing Xenia is an excellent addition when managed properly.

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