Spirobranchus spp., commonly referred to as Christmas Tree Worms, are captivating marine polychaete worms known for their distinctive, colourful spiral plumes that resemble miniature Christmas trees. These plumes are used for respiration and filter feeding, capturing plankton and suspended particles from the water.
Supplied on live rock, Spirobranchus spp. are a fascinating addition to reef aquariums, providing natural movement and vibrant colour. They are generally hardy and adapt well to captive conditions when provided with appropriate care.
Care Requirements
- Lighting: Moderate lighting is recommended to support the health of the worm and any associated microfauna on the live rock.
- Water Flow: Gentle to moderate water flow is ideal to facilitate feeding by delivering plankton and particulate matter without damaging the delicate feeding plumes.
- Placement: Position the live rock in a stable location with good water circulation but away from strong direct currents that may cause the worm to retract frequently. Ensure adequate spacing from aggressive corals to prevent damage.
- Feeding: Primarily filter feeders, they benefit from a well-established reef tank with natural planktonic food sources. Supplemental feeding with phytoplankton or liquid coral foods can be provided if necessary.
Compatibility and Reef Safety
Spirobranchus spp. are reef safe and compatible with most peaceful reef inhabitants. However, care should be taken to avoid placing them near aggressive or stinging corals that may harm their delicate plumes.
Additional Notes
As the exact species within the Spirobranchus genus may vary, conservative husbandry practices are advised. Regular water quality maintenance and stable parameters will ensure the health and longevity of these unique invertebrates.



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