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Water Sprite (Ceratopteris thalictroides) | Home Fish Aquarium Guide

Home Fish Aquarium Guide

Fishkeeping Information and Resources for the Home Aquarium



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Water Sprite (Ceratopteris thalictroides)

Water sprite is a fast growing aquarium plant. It has lacy looking leaves and roots extremely easily (leaf fragments can root.) It is also easy to break apart. I have wound up with dozens of small fragments floating in the tank which then rooted and formed their own plants. It is a good plant for soaking up excess ammonia and nitrates from the water. It doesn’t seem to be too particular about being fertilized.

The plant can tolerate medium light and temperatures down to about 68 degrees fahrenheit up to about 82 degrees. It can be planted in the soil, but the roots are not very useful for nutrient uptake, simply for anchoring it. Planting it in the substrate may give a better view of the leaves as they unfurl though. At the surface the leaves can emerge from the water and can form a pretty display at the surface of a tank.

Very easy to grow, and a good beginner plant. (In 6 months you’ll be covered over with the stuff!) (Snails will eat it up though.)

In some circles this is also called Indian Water Fern.

If this is grown as a floating plant it will provide shade to the aquarium below which might be desirable for some fish that prefer to avoid bright lights. It also will grow a fairly dense jungle of roots which some may consider unsightly, but is also perfect cover for fish fry to hide out in.

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February 11, 2011 - 8:37 PM