Guppy Grass (Najas guadalupensis)

Origin: North and Central America

Usage: Midground, Background, Floating

CO2: Low

Light: Low to High

Care: Easy

Growth Form: Stem

Growth Rate: Fast

Height: up to 35”

Width: 1 - 2”

Temp: 40 - 89F

Najas guadalupensis, commonly known as Guppy Grass, is a popular freshwater plant native to North and Central America, found in diverse habitats such as lakes, rivers, and canals. Well-known in the aquarium hobby, this plant is prized for its adaptability and resilience, thriving either rooted in substrate or floating freely. Guppy Grass is perfect for providing natural cover and creating a safe environment for fry, especially for aquarists focused on breeding fish or shrimp.

Although Guppy Grass is fast-growing and highly beneficial for fry cover, it may not be ideal for aquascaping due to its brittle stems and the tendency of its detached shoots to spread uncontrollably. This dense waterweed can quickly fill a tank, and its resilience extends to mildly brackish conditions, making it suitable for a range of aquarium setups. Low-maintenance and versatile, Guppy Grass is an excellent choice for hobbyists seeking an easy-care plant that fosters a natural, sheltered habitat for aquatic life.

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