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Echinodorus major

Echinodorus major

Scientific name: Echinodorus major

Family: Alismataceae

Usual maximum size in aquariums: 30 - 50 cm (11.81 - 19.69 inch)

014

Recommended pH range for the species: 6.3 - 7.2

Recommended water hardness (dGH): 4 - 12°N (71.43 - 214.29ppm)

0°C 32°F30°C 86°F

Recommended temperature: 22 - 26 °C (71.6 - 78.8°F)

Reproduction of the plant: Runners

Origin (in the wild): South America

How fast these plants grow: Normal

Recommended substrate: Gravel

Demands on lighting: Bright

Ideal placement in a fish tank: Middle

Common Names

Ruffled Amazon Sword

Origin

Echinodorus major originates from South America, particularly found in Brazil’s tropical regions. It naturally grows along riverbanks and in wetland areas, making it well-suited for aquarium and paludarium environments.

Quick Overview

  • Ideal For: Aquariums, paludariums
  • Difficulty Level: Easy
  • Lighting: Bright

Growing Conditions

Echinodorus major can be grown both fully submerged in aquariums or emersed in high-humidity environments like paludariums. In either setup, it grows to a height of 30 - 50 cm (11.81 - 19.69 inches) and has broad, ruffled leaves that create a striking focal point in the tank. This plant thrives in a gravel substrate that supports its root system, and it requires bright lighting to maintain its lush green color. Stability in water parameters, particularly within the pH range of 6.3 to 7.2, will promote healthy growth.

Planting Area

Due to its larger size, Echinodorus major is best suited for the midground or background of an aquarium. It works particularly well in larger tanks, where its long, broad leaves can spread out without smothering nearby plants. Make sure to leave ample space around it to accommodate its mature size and prevent crowding of other plants.

Propagation

Echinodorus major reproduces through runners, which are horizontal stems extending from the parent plant. Along these runners, small plantlets form and grow roots. Once they are well-rooted, these plantlets can be separated and replanted elsewhere in the tank to encourage new growth. Regular trimming and propagation help maintain a tidy appearance and prevent overcrowding.

Difficulty

Echinodorus major is an easy-to-grow plant, making it suitable for both beginner and experienced aquarists. It requires minimal maintenance as long as it receives sufficient light and occasional nutrient supplementation. Watch for yellowing leaves, which may indicate an iron deficiency; adding iron supplements can help restore the plant’s rich green coloration.

Short Description

Echinodorus major, commonly known as the Ruffled Amazon Sword, is a large, eye-catching plant ideal for the midground or background of aquariums. Its lush, ruffled leaves add texture and depth to any aquascape. This hardy plant propagates easily through runners, making it a popular choice for those looking to fill out larger tanks. Regular iron supplementation will keep its leaves vibrant green, while a stable, nutrient-rich environment ensures steady growth. Suitable for both aquarium and paludarium setups, this plant thrives with minimal effort and provides lasting beauty.

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