Najas Plant (Najas guadalupensis) – Aquarium Plant Care & Profile

The Najas Plant (Najas guadalupensis), also known as Guppy Grass, is a fast-growing, versatile freshwater plant that thrives in a wide range of aquariums. Its fine, feathery leaves provide excellent cover for fry and shrimp while improving water quality by absorbing excess nutrients. Hardy and low-maintenance, it’s a favorite for breeding tanks and natural aquascapes.

🌊 Quick Facts:

• Scientific Name: Najas guadalupensis
• Common Names: Najas Plant, Guppy Grass
• Placement: Floating or rooted (midground to background)
• Lighting: Low to high (adapts easily)
• CO₂: Not required
• Growth Rate: Fast
• Height: Up to 24 inches depending on tank size
• Care Level: Easy – beginner-friendly

✨ Why Choose Najas (Guppy Grass)?

• Provides dense cover for fry, shrimp, and small fish
• Absorbs excess nitrates, improving water quality
• Extremely hardy and fast-growing in most conditions
• Can be floated or planted in substrate for different looks
• Perfect for breeding tanks, shrimp setups, or natural aquariums

💡 Care Tips:

• No CO₂ is required, but strong lighting will boost growth.
• Trim regularly to prevent overgrowth and shading of other plants.
• Works well as a floating plant for fry tanks.
• Provide moderate water movement to keep stems healthy.