Macroalgae Farms
Mermaid's Fan Macroalgae
$13.99
Key Features:
Estimated delivery between June 16 and June 18.
$13.99
$13.99
About this item
Mermaid’s Fan Macroalgae
Mermaid’s Fan Macroalgae (Udotea flabellum) is a distinctive calcareous green macroalgae prized for its elegant fan-shaped blade that grows from a rooted base. The broad semicircular “fan” structure resembles a miniature underwater hand fan, creating a graceful and natural reef aesthetic in marine aquariums.
Because of its unique shape and structured growth, Mermaid’s Fan is commonly used in lagoon-style reef aquascapes, where it adds a refined, natural visual element. Its rigid, calcified form provides contrast against softer macroalgae and contributes to a balanced, display-focused system.
Available Options
Full Starter Plant
- Single rooted macroalgae plant (approx. 3–7 inches)
- Fully developed fan-shaped blade structure
- Ideal for sandbed placement in reef aquariums
- Aquacultured specimen
Care Information
| 💡 Lighting Moderate to High |
🌊 Water Flow Moderate |
| 📍 Placement Sandbed |
⚙️ Care Level Moderate |
| 📈 Growth Rate Slow to Moderate |
🧪 Nutrient Uptake Moderate |
Special Considerations
🌱 Propagation
Mermaid’s Fan Macroalgae is not typically propagated through cutting like many other macroalgae:
- Cutting the fan blade does not typically produce a new plant
- Propagation may occur through sporulation in stable systems
- Growth occurs slowly through natural basal expansion
Learn More
For detailed species information, compatibility, and care tips, visit our Species Library.
Due to natural variation between specimens and species within a genus, the item you receive may not appear exactly like the one pictured. Photographs are representative examples of the species or growth form.
Individual specimens may vary in size, shape, coloration, and growth pattern depending on age, lighting conditions, and environmental factors.
Approximate size ranges are provided for reference but may differ slightly from the specimen received.
Recently Viewed Products
- Choosing a selection results in a full page refresh.
- Opens in a new window.