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Ceratopteris thalictroides

Ceratopteris thalictroides

Scientific name: Ceratopteris thalictroides

Family: Parkeriaceae

Usual maximum size in aquariums: 20 - 40 cm (7.87 - 15.75 inch)

014

Recommended pH range for the species: 5 - 6.5

Recommended water hardness (dGH): 4 - 8°N (71.43 - 142.86ppm)

0°C 32°F30°C 86°F

Recommended temperature: 20 - 25 °C (68 - 77°F)

Reproduction of the plant: Rhizome

Origin (in the wild): South Asia

How fast these plants grow: Normal

Recommended substrate: Fine gravel

Demands on lighting: Bright

Ideal placement in a fish tank: Middle

Common Names

Water Sprite, Indian Fern, Water Fern

Ideal Planting Area

Ceratopteris thalictroides is best suited for the middle ground of the aquarium. It can reach a height of 20 - 40 cm (7.87 - 15.75 inches), making it an excellent addition to medium and large aquariums. This plant's feathery foliage provides a unique texture and can serve as a natural shelter for fish and invertebrates. Its adaptable nature allows it to grow both as a rooted plant in the substrate or as a floating plant, depending on the desired aquascape. Ensure the plant has enough space to grow without overshadowing other aquatic plants that require high light levels.

Propagation Methods

Ceratopteris thalictroides propagates through rhizome division, making it relatively easy to multiply in the aquarium. To propagate, remove a long, healthy plant from the tank and divide it into 2-3 sections, ensuring each section has at least 3-4 cm of rhizome. Replant these sections into the substrate, taking care not to bury the rhizome entirely to prevent rot. Additionally, the plant may produce offshoots or plantlets that can be detached and replanted once they are large enough. With proper care, these new plants will quickly establish themselves and thrive in the aquarium environment.

Difficulty Level

Ceratopteris thalictroides is considered a medium-difficulty plant. It requires bright lighting to promote healthy and robust growth. Insufficient light can lead to leggy, weak plants, so ensure adequate light intensity in the tank. This plant prefers soft, acidic water with a pH range of 5 - 6.5 and water hardness between 4 - 8°N (71.43 - 142.86 ppm). The use of a CO2 system can significantly boost its growth rate, although it is not strictly necessary for the plant's survival. Regular monitoring of water conditions and consistent maintenance will help keep this plant looking its best.

Short Description

Native to Asia, Ceratopteris thalictroides is a versatile and attractive aquarium plant commonly known as Water Sprite, Indian Fern, or Water Fern. In the wild, it is typically found in marshy areas but can thrive when fully submerged in an aquarium setting. Its finely divided, feathery leaves provide a lush, green backdrop that enhances the overall aesthetics of any tank. This plant can grow both rooted in the substrate or as a floating plant, making it a flexible choice for various aquascape designs.

With moderate growth rates, Ceratopteris thalictroides can quickly fill in gaps in the aquarium, creating a natural environment for fish and invertebrates. It benefits from soft, acidic water and bright lighting to maintain its vibrant green coloration and bushy appearance. Adding CO2 to the aquarium will enhance its growth, but even without it, the plant can flourish under the right conditions. Interestingly, in some cultures, the leaves of this plant are used in cooking and salads, highlighting its versatility beyond the aquarium.

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