Cryptocoryne willisii

Scientific name: Cryptocoryne willisii

Family: Araceae

Usual maximum size in aquariums: 7 - 20 cm (2.76 - 7.87 inch)

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Recommended pH range for the species: 6.5 - 7.2

Recommended water hardness (dGH): 4 - 18°N (71.43 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 22 - 27 °C (71.6 - 80.6°F)

Reproduction of the plant: Runners

Origin (in the wild): Sri Lanka

How fast these plants grow: Fast

Recommended substrate: Fine gravel

Demands on lighting: Medium

Ideal placement in a fish tank: Foreground

Family

Araceae

Origin

Cryptocoryne willisii is native to Asia, primarily found in the freshwater streams and rivers of Sri Lanka. In its natural habitat, this plant thrives in shaded areas where it grows partially submerged or fully submerged in slow-moving waters. Its ability to adapt to different light conditions and water parameters makes it a versatile addition to various aquarium setups. Due to its resilience, Cryptocoryne willisii has become a popular choice among aquarists worldwide.

Lighting Requirements

Cryptocoryne willisii is a low to moderate light plant that can adapt to various lighting conditions. It can grow well under low-light setups, making it an excellent choice for aquariums without intense lighting systems. Under low light, the plant may develop a slightly darker green color and grow more slowly. In contrast, with moderate lighting, the leaves may become more vibrant, and growth can accelerate. However, it is essential to avoid excessive lighting as it can lead to algae growth on the plant leaves, which may hinder their health and appearance.

Planting Area

Midground to Foreground

Propagation

Cryptocoryne willisii reproduces through runners, making propagation straightforward for aquarists. Over time, the mother plant sends out runners that develop into miniature plants. As these new plants establish roots, they can be carefully separated from the mother plant and replanted in other areas of the aquarium. This propagation method allows Cryptocoryne willisii to gradually spread across the substrate, forming a lush carpet. To encourage propagation, ensure stable water conditions and provide a nutrient-rich substrate.

Difficulty

Easy

Short Description

Cryptocoryne willisii is a hardy and versatile plant that can enhance the aesthetics of any aquarium. Although it may take some time to establish itself initially, it will eventually spread across the substrate, creating a dense carpet in the aquarium's midground or foreground. Its hardiness makes it resistant to many diseases that commonly affect other Cryptocoryne species. Many aquarists plant it in corners or along the tank's edges, where it can efficiently utilize fish waste and uneaten food as nutrients, thus contributing to the overall health of the aquarium environment.

One of the key advantages of Cryptocoryne willisii is its low maintenance requirements. It does not need supplemental CO₂ injection or additional fertilizers, as it can draw nutrients directly from the substrate. However, providing a nutrient-rich substrate and stable water parameters will help the plant thrive and grow more vigorously. This makes it an excellent choice for beginner aquarists or those looking to create a lush, low-maintenance aquascape.

With its ability to adapt to various lighting and water conditions, Cryptocoryne willisii can be a focal point in aquascaping, adding depth and texture to the aquarium landscape. Its compact growth habit and attractive foliage make it ideal for creating natural-looking aquascapes in freshwater tanks.