Description
Pygmy Chain Sword – Echinodorus tenellus
Introduction
The Pygmy Chain Sword (Echinodorus tenellus), also known as the Narrow-leaf Chain Sword, is a versatile carpeting plant that adds a lush, natural aesthetic to aquariums. Reaching a height of just 2–6 inches (5–15 cm), it is an excellent choice for foreground planting. This hardy species is ideal for beginners and aquascaping enthusiasts alike, providing a dense, grass-like appearance that enhances tank aesthetics.
1. Natural Habitat and Behavior
Native to the shallow waters and marshlands of the Americas, Echinodorus tenellus thrives in nutrient-rich substrates with ample sunlight. In aquariums, it spreads through runners, forming dense carpets that create a natural and inviting environment for aquatic life.
2. Aquarium Setup
- Tank Size: Suitable for tanks as small as 10 gallons (38 liters).
- Substrate: Fine-grained nutrient-rich substrate, such as aquarium soil or sand, to support root growth.
- Decor: Best used as a foreground or carpeting plant; pairs well with larger plants in the background.
- Water Conditions:
- Temperature: 68–82°F (20–28°C)
- pH: 6.0–7.5
- Hardness: Soft to moderately hard water
- Lighting: Moderate to high; intense lighting encourages faster and denser growth, which is ideal for creating a carpet effect.
3. Diet and Feeding
The Pygmy Chain Sword primarily feeds through its roots. Ensure a nutrient-rich substrate or use root tabs to sustain healthy growth. Supplementing with liquid fertilizers containing micronutrients and iron will enhance its green coloration. While not mandatory, CO₂ injection can accelerate growth and improve the plant’s density in aquascapes.
4. Compatibility with Other Fish
This plant is compatible with a wide range of aquarium inhabitants, including:
- Peaceful community fish such as tetras, rasboras, and guppies.
- Bottom-dwelling species like Corydoras and shrimp that enjoy the shelter provided by its dense carpets.
Avoid fish that are prone to uprooting plants, such as goldfish and large cichlids.
5. Common Challenges and Tips
- Slow Spreading: Insufficient lighting or poor substrate nutrition can hinder its ability to form a carpet. Address this with proper lighting and root fertilization.
- Algae Issues: High light without balanced nutrients can encourage algae growth. Keep a consistent fertilization schedule and consider algae-eating species.
- Yellowing Leaves: Often a sign of nutrient deficiencies, particularly iron. Regular dosing with liquid fertilizers can resolve this issue.
Conclusion
The Pygmy Chain Sword (Echinodorus tenellus) is a fantastic addition to aquariums, creating lush green carpets that enhance the tank’s natural beauty. Its adaptability and ease of care make it an excellent choice for aquarists of all skill levels. With proper lighting and nutrition, it will thrive and transform the foreground of your aquarium into a vibrant underwater lawn.