Green Bisma Worm Rock is a living, natural rock formation covered in tiny tube-dwelling feather duster worms (Sabellidae), each flaunting a fluorescent green crown. With their constant pulsing and retracting, this piece brings both movement and biodiversity to any reef tank.
Coral & Invertebrate Highlights:
💚 Bright Green Crowns – Dozens of tiny feather dusters wave in the current
🪨 Natural Live Rock – Base rock hosts beneficial bacteria and microfauna
🌊 Constant Motion – Each worm opens and retracts, creating mesmerizing movement
💡 Lighting: Low to moderate PAR (50–150) – no special light requirements
🌬️ Flow: Moderate – enough to keep crowns extended and clean
🧪 Parameters:
Temp: 75–78°F
Salinity: 1.025
dKH: 8–11
Calcium: 400–450 ppm
Magnesium: 1250–1350 ppm
Nitrate: 2–10 ppm
Phosphate: 0.02–0.08 ppm
Placement: Bottom to mid-level on sand or rock shelf; avoid aggressive coral neighbors
Feeding: Benefits from broadcast feeding of phytoplankton or fine coral food
Care Level: Easy – No stinging, hardy, and adds great biodiversity
📦 Note: Frags are not WYSIWYG. Each Bisma Worm Rock has unique crown density, green intensity, and rock shape.
