Cryptocoryne yujii
Cryptocoryne yujii
Cryptocoryne yujii is a rare and highly sought-after Cryptocoryne from Borneo, Indonesia, producing deep reddish-brown to olive-green leaves with slightly ruffled edges that form a compact, beautifully structured rosette. The warm, rich coloration and the ruffled leaf margins give yujii an ornate quality that places it firmly in the collector's tier of the Cryptocoryne genus — a plant that is genuinely prized whenever it appears in the hobby.
Care tip: Cryptocoryne yujii may experience some leaf melt when first introduced to a new aquarium — this is a normal acclimation response and the plant will recover fully once established. A nutrient-rich substrate and stable water parameters minimize this response and support the best long-term growth.
Like all Cryptocoryne, yujii is a rhizome-rooted rosette plant that benefits from a nutrient-rich substrate and stable water conditions. As a Bornean species, it appreciates the soft, slightly acidic water conditions typical of Indonesian aquatic habitats, though it adapts to a reasonable range of water chemistry once established. Initial leaf melt upon introduction is possible; maintaining stable conditions and avoiding disturbance during the establishment period produces the smoothest results.
This easy Cryptocoryne grows in low to moderate lighting without requiring CO₂ supplementation. Temperatures between 72 and 82°F and a pH of 6.0 to 7.5 provide ideal growing conditions. Regular liquid fertilization supports the production of new leaves with the rich reddish-brown to olive-green coloration and the characteristic ruffled margins that define this variety. Stable conditions are particularly important for getting the best color expression.
In the aquascape, Cryptocoryne yujii creates a refined and colorful midground focal point whose compact rosette and warm leaf colors stand out among more common green Crypts. The ruffled leaf margins add textural interest that rewards close viewing. It pairs beautifully with other Indonesian and Bornean species in collection displays, and serves equally well as a featured midground accent in nature-style planted aquariums.
Cryptocoryne yujii is a rare and beautiful Crypt for collectors who appreciate the finest the genus has to offer. Its warm coloration, ruffled leaves, and Bornean provenance make it a genuinely special plant in any planted aquarium.
Care & Specifications
| Difficulty | Easy |
| Placement | Midground |
| Max Height | 4 to 6 inches |
| Light Level | Low to Moderate |
| Temperature | 72–82°F |
| pH | 6.0–7.5 |
| CO2 Needs | Optional |
| Origin | Indonesia |
| Notes | Rare Crypt from Borneo with deep reddish-brown to olive-green leaves with slightly ruffled edges, forming a compact rosette. Appreciates stable conditions. |