Overview
Willow Moss (Fontinalis antipyretica) is a distinctive freshwater moss known for its soft, branching growth that resembles underwater willow branches. Native to cool, clean streams and rivers, this moss is widely used in aquariums to create a wild, natural appearance. It is especially popular in shrimp tanks and biotope setups due to its hardy nature and functional benefits.
Key Features
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Long, flowing willow-like fronds
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Natural river-style appearance
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Tolerates cooler water better than most mosses
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Slow to moderate growth rate
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Excellent habitat for shrimp and fry
Why Choose Willow Moss (Fontinalis antipyretica)?
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One of the most natural-looking aquarium mosses
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Ideal for cooler freshwater setups
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Extremely low maintenance once established
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Perfect for shrimp and breeding tanks
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Adds movement and texture without fast overgrowth
Benefits
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Provides grazing surfaces for shrimp
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Creates hiding and breeding areas for fry
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Absorbs excess nutrients
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Improves biological stability
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Reduces stress for fish and invertebrates
Product Specifications
• Scientific/Common name: Fontinalis antipyretica / Willow Moss
• Plant or product type: Live freshwater moss
• Growth rate / usage: Slow to moderate growth, decorative and functional
• Lighting / requirements: Low to moderate light
• Placement / application: Attached to rocks, wood, mesh, décor
• Difficulty level: Easy
• Tank type: Freshwater, shrimp, community, biotope
Care Guide / Usage Guide
Lighting
Low to moderate lighting is ideal. Strong lighting may encourage algae growth on fronds.
Water
Performs best in cooler freshwater with temperatures between 59–77°F (15–25°C) and a pH range of 5.5–7.5.
Substrate
Does not require substrate. Best grown attached to hard surfaces.
CO₂
Not required.
Maintenance
Rinse gently during water changes to remove debris. Trim lightly if needed.
Planting / Application Instructions
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Rinse moss gently with clean aquarium water.
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Attach to driftwood, rocks, mesh, or décor using thread or aquarium-safe glue.
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Place in area with gentle to moderate flow.
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Allow moss to naturally anchor over time.
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Trim lightly if fronds become too long.
Perfect For
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Shrimp tanks and breeding setups
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Cooler freshwater aquariums
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Nature-style and river biotopes
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Driftwood and rock hardscape coverage
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Low-tech aquariums
Important Notes
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Plant Selection Notice: These will be a plant of our choice, selected based on current availability, size, and overall health to ensure the best quality upon arrival.
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Growth is slower than Java Moss.
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Appearance improves as it establishes.
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Moss density varies naturally.
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Some initial shedding after shipping is normal.
Disclaimer
Images are for reference only. Actual moss size, shape, and density may vary due to natural growth patterns and aquarium conditions. Live arrival and health guarantees are subject to store policies. Adjustment periods after shipping are normal for live plants and moss.