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Datasheet
| Minimum Tank Size | 50 litres / 13.21 US gallons |
| Maximum Size | |
| Reef Compatible | Always reef safe |
| Temperament | Peaceful |
| Temperature | 22.2°C / 71.96°F - 25.6°C / 78.08°F |
| Specific Gravity | 1.020-1.025 |
| Carbonate Hardness | 8-12 |
| pH | 8.1-8.4 |
General Description: The European fan worm, scientifically known as Sabella spallanzanii, belongs to the Sabellidae family. These tubeworms construct tubes using a durable, parchment-like exudate, with the Glomerula genus secreting tubes made of calcium carbonate. Characterized by a crown of feeding tentacles projecting from their tubes, these feather-duster worms are non-photosynthetic creatures that primarily feed on phytoplankton and zooplankton.
Aquarium Suitability: Considered suitable for aquariums with care, the European fan worm requires target feeding with a mixture of plankton to ensure it receives adequate nutrition. It is essential to bury the tube housing the worm in the sediment to mimic its natural habitat. Daily feeding is crucial to prevent starvation, as these worms must be fed at least once a day in most aquariums.
Demands and Care: With an average hardiness level, this species thrives in water temperatures ranging from 22.2 to 25.6 degrees Celsius (72 to 78 degrees Fahrenheit) and prefers a pH level between 8.1 and 8.4. Maintaining a stable environment with a carbonate hardness (KH) of 8-12 and a salinity level (SG) between 1.020-1.025 is recommended to support their well-being in captivity.
Reef Suitability: European fan worms are considered reef-safe and peaceful in reef aquariums, making them a suitable addition to coral reef setups. They do not pose a threat to coral or other reef inhabitants, allowing for a harmonious cohabitation.
Aquarium Setup: To replicate their natural habitat, provide a tank with a minimum size of 50 liters and ensure the tube is securely buried in the sediment. They can be housed in reef aquariums with appropriate water parameters and should be target-fed a diet consisting of phytoplankton and zooplankton, such as Cyclops and pods, to meet their nutritional needs.
Behaviour: Known for their peaceful temperament, European fan worms are not aggressive towards other tank inhabitants. However, they may be targeted by certain fish and shrimp species that attempt to eat their crown of feeding tentacles, which can potentially harm or even kill the worm if not addressed promptly.
Feeding and Diet: Target feeding with phytoplankton and zooplankton like Cyclops and pods is essential to prevent nutritional deficiencies in European fan worms. Providing a varied diet rich in plankton ensures their health and vitality in the aquarium setting.
Habitat and Distribution: European fan worms are commonly found in waters with temperatures ranging from 8 to 24 degrees Celsius (46 to 75 degrees Fahrenheit). Their natural habitat includes a variety of marine environments, where they inhabit sediments and construct tubes for protection and feeding.