More info
Datasheet
| Aquarium Compatible | yes |
| Plant Outdoor | unknown |
| Plant Emersed Growth | yes |
| Plant Growth | slow |
| Temperature Tolerance | 12°C / 53.60°F - 30°C / 86.00°F |
| Temperature | 22°C / 71.60°F - 26°C / 78.80°F |
| Carbonate Hardness | 3-21 kh |
| pH Value | 6-8 ph |
| Light | low-medium |
| Carbon Dioxide (CO2) | 5-30mg/lmg/l |
| Nitrate (NO3-) | 10-50mg/lmg/l |
| Phosphate (PO43-) | 0.1-3mg/lmg/l |
| Potassium (K+) | 5-30mg/lmg/l |
| Iron (Fe) | 0.01-0.5mg/lmg/l |
General Description
Cryptocoryne affinis Hook. f. is a plant species native to the Malayan Peninsula, particularly in western Malaysia. It thrives in submersed populations on sandy and gravelly riverbanks in swiftly flowing rivers, some of which are located in limestone regions. This plant species was once a staple in the aquarium hobby and was widely known as "the" Cryptocoryne due to its popularity. However, its availability has decreased over time, with newer collections indicating a decline in numbers.
Aquarium Suitability
Cryptocoryne affinis is considered suitable for aquariums and is often found in low-tech tanks with low lighting and no CO2 injection. It can thrive in hard water conditions and is known to propagate through subterranean runners, forming dense populations. While relatively undemanding, this plant is sensitive to sudden changes in its environment, which can lead to the phenomenon known as "crypt melt."
Demands and Hardiness
Cryptocoryne affinis is classified as an easy plant to care for in aquariums. It has slow growth and is best suited for midground or foreground placement in groups. The plant can adapt to varying conditions, with optimal temperature ranges between 22-26°C. It is not winter-hardy for outdoor use in colder climates. Specific water parameters, such as pH levels between 6-8 and nutrient concentrations within defined ranges, are essential for maintaining its health.
Aquascaping & Usage
In aquascaping, Cryptocoryne affinis can be utilized to create a lush carpet effect when planted at a distance under strong lighting or allowed to grow taller in dense groups under lower light conditions. The plant's variable forms, including differences in leaf color and structure, add visual interest to aquascape designs. Its unique inflorescence, though rare in cultivation, features a distinctive dark purple interior with spirals of turns.
Propagation
Cryptocoryne affinis propagates through various methods such as runners, rhizome division, splitting, and cutting off daughter plants. These propagation techniques help expand its population within an aquarium setting or among hobbyists who share this plant.
Habitat and Distribution
Found primarily in the Malayan Peninsula, specifically western Malaysia, Cryptocoryne affinis thrives in submersed habitats along riverbanks with sand and gravel substrates. The plant's adaptation to swiftly flowing waters and limestone-rich regions showcases its ecological niche within its native environment.