Giant Feather Duster Worm
Sabellastarte spectabilis
What you need to keep a Giant Feather Duster Worm
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pH
8.1–8.4
Temperature
24–27 °C
Colony size
15 cm
Min tank
100 L
Where to buy
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Overview
What to know before you buy.
A tube-dwelling worm crowned with a feathery filter-feeding fan that withdraws instantly when disturbed. Needs a well-fed system with plenty of fine suspended food.
Care guide
Keeping Giant Feather Duster Worm healthy in a South African setup.
Placement & light
Place it low in the tank at first and move it up over a few weeks if it stays closed or browns. Match flow to the coral: most fleshy corals want gentle, indirect flow.
Water parameters
Keep pH 8.1–8.4 and 24–27°C, with salinity around 1.025–1.026. Alkalinity, calcium and magnesium matter more than any single reading: keep them stable and test weekly.
Feeding
Filter feeder — phytoplankton and fine particulate. Target-feed small meaty foods such as mysis once or twice a week.
Stinging & spacing
Sessile filter feeder. Many corals and anemones sting what they touch, some with sweeper tentacles that reach well beyond the colony at night. Leave clear space around Giant Feather Duster Worm as it grows.
Reef compatibility
Large angelfish and butterflyfish nip at corals and anemones; most reef fish, shrimp and snails leave it alone.
Propagation
Giant Feather Duster Worm can be fragged: cut or break a piece with a clean tool, glue it to a plug, and keep it in moderate light and flow while it heals.
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