Amazon Frogbit: Limnobium laevigatum
The standard easy floater. Looks like a giant duckweed. Develops long, impressive root curtains for fish to hide in.

Amazon Frogbit
Amazon Frogbit (Limnobium laevigatum) is a captivating floating aquatic plant known for its lush green, oval-shaped leaves. This plant is native to the calm waters of South America and serves as an essential addition to freshwater aquascapes. Its leaves can grow up to 12 cm in diameter and often bear a glossy surface that reflects sunlight beautifully. Amazon Frogbit forms dense mats on the water surface, providing shade and shelter for aquatic life while contributing to the overall aesthetic of an aquarium.
Care Guide
To ensure optimal growth of Amazon Frogbit, maintain the following conditions:
- Light: Provide moderate to bright lighting, ideally around 50-100 µmol/m²/s. Too much direct sunlight can cause excessive growth or algae proliferation.
- Water Temperature: Maintain a temperature range of 22-28°C (72-82°F) for healthy development.
- Water Quality: Keep the water pH between 6.0 and 7.5, with a slight preference for slightly acidic to neutral conditions. Ensure that the water is well-filtered to avoid stagnation and promote gas exchange.
Regular pruning is recommended to prevent overgrowth and maintain proper light penetration for lower aquatic plants. Remove any yellowing or decaying leaves to promote healthy growth.
Nutrient Requirements
Amazon Frogbit thrives in nutrient-rich environments. Consider the following for adequate nutrition:
- CO2: While CO2 injections are not strictly necessary, providing a CO2 supplement can enhance growth, particularly in high-light setups.
- Fertilization: Use a balanced liquid fertilizer once every two weeks. Ensure that it contains essential micronutrients to support leaf health and prevent deficiencies.
Ensure that trace elements are present in the water to help the plant maintain its lush appearance.
Natural Biomes
Amazon Frogbit hails from the tranquil waters of several prominent biomes. Notable biomes include:
These regions provide a glimpse into the natural habitat of Amazon Frogbit, where it flourishes in slow-moving waters rich in organic materials.
Livestock Compatibility
Amazon Frogbit offers an ideal environment for various aquatic species. It provides cover and breeding grounds for many fish and shrimp. Suitable companions include:
- Tetras: They thrive in the shade provided by the plant’s leaves.
- Guppies: These colorful fish benefit from the floating cover while actively swimming below.
- Shrimp: Species such as Cherry Shrimp and Amano Shrimp find excellent foraging opportunities among the leaves.
With its ability to enhance both aesthetic appeal and ecological balance, Amazon Frogbit is a quintessential choice for any aquascaper.