Guppy Grass

Product Description

Guppy Grass (Najas guadalupensis) is a fast-growing freshwater aquarium plant loved by aquarists for its versatility, low-maintenance nature, and ability to provide excellent shelter for fish and shrimp. Popularly known as Nanja Grass, it is especially beneficial for guppies, shrimp, and breeding tanks, offering countless hiding spots and a natural feeding ground for fry.

Whether left floating, planted in the substrate, or secured with plant weights, Guppy Grass quickly creates a lush green environment that enhances the beauty and health of any aquarium.

Key Features

Perfect for Guppies, Shrimp & Fry
Provides dense cover for baby fish and shrimp while encouraging natural grazing behavior.

Excellent Breeding Plant
Commonly used as a natural spawning mop for Neon Tetras, Rainbowfish, Pearl Danios, and many other egg-laying species.

Fast-Growing & Easy to Maintain
One of the easiest aquarium plants to grow, making it ideal for beginners and experienced hobbyists alike.

Natural Algae Control
Its rapid growth helps absorb excess nutrients from the water, reducing the likelihood of algae outbreaks.

Flexible Placement Options
Can be grown floating, planted, or weighted down, depending on your aquarium setup.

Appearance

Guppy Grass features bright green, narrow, pointed leaves that form dense clusters throughout the aquarium. The plant grows rapidly and can quickly fill open spaces, creating a natural jungle-like environment that fish love.

An interesting characteristic of Guppy Grass is heterophylly, meaning the shape of its leaves may change depending on whether the plant is grown floating or rooted.

Care Requirements

Difficulty Level: Easy

Water Temperature: 10°C – 30°C

Ideal pH Range: 6.0 – 7.0

Lighting: Moderate to High

CO₂ Requirement: Not Required

Fertilizer Requirement: Optional

Guppy Grass thrives under a wide range of conditions and does not require specialized equipment. While fertilizers can promote faster growth, the plant generally grows well without additional supplementation.

Propagation

Extremely easy to propagate. Simply trim a healthy stem and place the cutting back into the aquarium. The clipping will continue growing into a new plant. Due to its rapid growth rate, occasional trimming may be necessary to prevent it from overtaking the tank.

Benefits for Your Aquarium

• Provides shelter for fish fry and shrimp

• Creates natural breeding and spawning areas

• Helps improve water quality

• Absorbs excess nutrients

• Enhances the natural appearance of the aquarium

• Suitable for community, shrimp, and breeding tanks

Bring a touch of nature to your aquarium with Guppy Grass (Najas guadalupensis)—a hardy, fast-growing plant that provides beauty, shelter, and countless benefits for fish, shrimp, and fry.