Duckweed - Lemna spp.
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Duckweed is a fast-growing floating plant known for its tiny, round leaves that form a dense green mat on the water’s surface. It provides natural shading, nutrient absorption, and a food source for some fish and invertebrates.
Common Name: Duckweed
Scientific Name: Lemna spp.
Family: Araceae
Size: 0.1-0.4 inches (2-10 mm) per frond
Difficulty: Easy
Native Region: Duckweed is found worldwide in still or slow-moving freshwater habitats, including ponds, lakes, and marshes.
Tank Size: Suitable for any aquarium size
Temperature: 60-86°F (15-30°C)
pH: 6.5-7.5
Lighting: Low to high
CO2: Not required
Substrate: Not applicable (free-floating plant)
• Rapid Growth: Quickly spreads across the water surface, helping to absorb excess nutrients and reduce algae growth.
• Natural Cover: Provides shade and shelter for fish, shrimp, and fry.
• Requires Maintenance: Needs regular thinning to prevent excessive coverage that can block light from reaching submerged plants.