Description
Water Sprite (Ceratopteris thalictroides)
Overview
Water Sprite is a popular, fast-growing aquarium fern known for its delicate, feathery leaves and vibrant green color. Highly versatile, it can be grown rooted or floating, making it an excellent choice for providing cover, reducing nitrates, and creating a lush, natural look in freshwater tanks. Ideal for beginners due to its hardiness and adaptability.
Origin
Found across Asia, Africa, and the Americas in warm, slow-moving waters such as rivers, marshes, and flooded forest edges.
Lighting & Placement
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Light: Low to high (thrives best in medium–high)
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Placement: Midground to background when planted; surface when floating
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Notes: Floating growth encourages faster growth and broader leaves while offering great shade and fry shelter.
Feeding
Fast-growing nutrient absorber. Benefits from:
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Liquid fertilizers
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Occasional root tabs if planted
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CO₂ optional but increases density and color
Tank Mates
Compatible with most freshwater species, including:
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Tetras, rasboras, and danios
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Livebearers
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Gouramis and peaceful cichlids
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Shrimp and snails
The quick growth helps it recover from light nibbling.
Aggression
None—fully peaceful plant.
Experience Level
Beginner friendly. Very forgiving and excellent for improving water quality.
Water Parameters
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Temperature: 68–82°F (20–28°C)
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pH: 6.0–7.5
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Hardness: Soft to moderately hard
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Notes: Regular trimming helps maintain shape and prevents shading of lower plants.
Water Sprite is a beautiful, easy-care plant that adds soft texture, boosts tank health, and thrives in a wide range of aquarium conditions.