Spirobranchus spp., often called Christmas Tree Worms, are fascinating marine polychaetes known for their vibrant, spiral-shaped feeding appendages. These worms inhabit calcareous tubes attached to live rock, making them a captivating addition to established reef aquariums.
Care Level: Moderate. These worms require stable water parameters and mature tank conditions.
Lighting Requirements: Moderate lighting is sufficient as they do not rely on photosynthesis but benefit from a well-lit environment to display their vivid colours.
Water Flow: Moderate to strong water flow is recommended to facilitate feeding and waste removal.
Placement: Position on live rock in areas with good water circulation and avoid placing near aggressive corals that may sting or overgrow them. Provide adequate spacing to prevent damage from neighbouring corals.
Diet: Suspension feeders that primarily consume plankton and fine particulate matter. Supplement feeding with phytoplankton or liquid coral foods if natural feeding is insufficient.
Reef Compatibility: Yes, with adequate spacing. They are peaceful and do not harm other reef inhabitants but are sensitive to aggressive neighbours.
Origin: Australia.
Maximum Size: Typically up to 3 cm in diameter for the feeding crowns.
Minimum Tank Size: Suitable for tanks of 100 litres or more, ideally mature reef systems.
These worms are an excellent choice for hobbyists seeking to enhance biodiversity and visual interest in their reef tanks. Their unique appearance and behaviour make them a standout feature when cared for properly.
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