Azolla Water Fern – Azolla filiculoides

Azolla Water Fern is a small, free-floating freshwater plant known for its rapid growth and ability to form dense mats on the waters surface. Its delicate, fern-like structure provides excellent coverage for aquariums and ponds while aiding in nutrient absorption and algae control.

Description:

Common Name: Water Fern

Scientific Name: Azolla filiculoides

Family: Salviniaceae

Size: 0.5-1 inch (1-2.5 cm) per frond

Difficulty: Easy

Native Region:

Azolla Water Fern is native to temperate and tropical regions worldwide, commonly found in slow-moving or still freshwater bodies such as ponds, lakes, and marshes.

Aquarium Setup:

Tank Size: Suitable for any aquarium size

Temperature: 60-86F (15-30C)

pH: 6.0-7.5

Lighting: Low to high

CO2: Not required

Substrate: Not applicable (free-floating plant)

Additional Tips:

Fast Spreader: Quickly covers the water surface, helping to absorb excess nutrients and reduce algae growth.

Natural Cover: Provides shade and protection for fish, shrimp, and fry.

Requires Regular Maintenance: Needs occasional thinning to prevent excessive coverage that could block light from reaching submerged plants.