Guppy grass (scientific name: Najas guadalupensis) is a fast-growing aquatic plant popular in aquariums and ponds, especially with livebearer fish like guppies—hence the name.
Key Features:
Growth: Fast-growing, can float or be rooted in substrate.
Appearance: Thin, branching stems with delicate, grass-like leaves.
Lighting: Tolerates low to high light; grows faster in brighter conditions.
Water Parameters: Flexible—tolerates a wide range of temperatures (68–82°F / 20–28°C) and pH levels (6.0–8.0).
Benefits:
Provides cover and breeding grounds for small fish and fry.
Absorbs excess nutrients, helping reduce algae.
Oxygenates water.
Care Tips:
Trim regularly to prevent it from overtaking the tank.
Can be propagated easily by cutting stems.
Works well in natural tanks or as a temporary floating plant for fry protection.