Cryptocoryne parva, also known as "dwarf crypt," is a popular aquatic plant species in the family Araceae that is commonly used in freshwater aquariums. It is native to Sri Lanka, where it grows in slow-moving streams and riverbanks.
Cryptocoryne parva is a small plant that typically grows to only 5-10 cm (2-4 inches) in height. It has thin, light green leaves that are pointed and slightly curved, and grow in a rosette pattern from a central stem. The plant roots deeply in the substrate, forming a dense, bushy carpet that can cover the entire foreground of an aquarium.
Cryptocoryne parva is a hardy and adaptable plant that can thrive in a wide range of water conditions, but it prefers a nutrient-rich substrate and moderate to low lighting. It can be propagated by dividing the plant's rhizome and planting the individual sections in the substrate.
Overall, Cryptocoryne parva is a popular choice among aquarium hobbyists for its small size, ease of care, and attractive appearance.