ceratopteris thalictroides

Ceratopteris Thalictroides (Water Sprite) – Fast-Growing Floating Fern for Freshwater Aquariums

Enhance your aquascape with Ceratopteris thalictroides, a versatile and fast-growing aquatic fern perfect for beginners and experts alike! This tropical rosette plant thrives in both submerged and floating conditions, with delicate, finely branched leaves that add natural contrast and movement to your tank. Known for its algae-inhibiting properties, it rapidly absorbs excess nutrients, helping maintain crystal-clear water. Ideal for low-tech setups (moderate light, minimal CO2), it’s also a great starter plant for new aquariums. Whether rooted or floating, its lush greenery creates a stunning, wild jungle effect while providing shelter for fish and shrimp.

Key Features:

• Rapid growth – Quickly fills empty spaces and outcompetes algae

• Dual-purpose – Can be planted or left to float on the water’s surface

• Low maintenance – Adapts to moderate light and low CO2 levels

• Natural water purifier – Absorbs nitrates and phosphates for healthier tanks

• Decorative foliage – Feathery, light-green leaves contrast beautifully with broad-leaf plants

• Fish/shrimp friendly – Provides hiding spots for small aquatic creatures

Plant Info:

• Type: Rosette

• Origin: Asia

• Growth Rate: High

• Height: 15–30+ cm (can grow emersed)

• Light Requirement: Medium

• CO2: Low