Blue Hypnea Macroalgae

Macroalgae Farms

Blue Hypnea Macroalgae

$29.99

Key Features:
⭐ Deep blue bushy macroalgae clump
• Dense branching for natural reef texture
• Rich coloration enhances visual contrast
• Ideal shelter for pods and microfauna

Size: Golf Ball Size (1.5")
In stock

This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!

Estimated delivery between May 06 and May 08.

Blue Hypnea Macroalgae

$29.99

$29.99

Choose option
Size: Golf Ball Size (1.5")
  • Golf Ball Size (1.5")
  • Baseball Size (3")

About this item

Blue Hypnea Macroalgae

Blue Hypnea Macroalgae (Hypnea pannosa) is a rare and eye-catching marine macroalgae valued for its dense branching form and unusual blue-violet coloration. Its tangled, cushion-like growth creates a bold focal point in display tanks, lagoon-style aquascapes, and macroalgae collections.

Unlike flatter or more filamentous macroalgae, Blue Hypnea develops a compact, bushy colony with intricate branching throughout. This fuller growth habit gives it strong visual impact even as a smaller specimen, while mature colonies can create an established, collector-grade look in the aquarium.

Available Sizes

Golf Ball Size (1.5") 

  • Starter clump ideal for growing out Blue Hypnea
  • Approximate golf-ball sized portion with visible branching
  • Great for beginning a compact ornamental display colony

Baseball Size (3")

  • Larger, fuller colony with dense ornamental branching
  • Approximate baseball sized clump for stronger display impact
  • Ideal for immediate placement as a centerpiece macroalgae specimen

Care Information

💡 Lighting
Moderate to High		 🌊 Water Flow
Moderate
📍 Placement
Rockwork, macroalgae zones, or display areas		 ⚙️ Care Level
Moderate
📈 Growth Rate
Moderate		 🧪 Nutrient Uptake
Moderate

Special Considerations

Blue Hypnea is primarily valued for its unusual ornamental appearance rather than broad, fast nutrient export. Its dense, tangled branching can develop into a very full colony under stable conditions. Color intensity and overall fullness may vary depending on lighting, flow, nutrients, and maturity, so the best appearance is typically achieved in established systems with consistent parameters.

🌱 Propagation

Blue Hypnea propagates through fragmentation and continued branching growth:

  • Healthy portions may be divided and secured in suitable areas of the aquarium
  • Fragments can continue growing when kept under stable lighting and nutrient conditions
  • Mature colonies become fuller over time through dense branching expansion

Learn More

For detailed species information, compatibility, and care tips, visit our Species Library.

Livestock Disclaimer

Due to natural variation between specimens and growth forms, the item you receive may not appear exactly like the one pictured. Photographs represent typical examples of the species or colony structure.

Individual specimens may vary in size, branching density, coloration, and growth pattern depending on environmental conditions and age.

Approximate size ranges are provided for reference but may differ slightly from the specimen received.

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