Description
Plant Profile
Salvinia Cucullata is a less common floating plant with small, nickel-sized leaves and a signature trick: unique pouch-like, hooded folds that trap air pockets to keep it buoyant, no gimmicks required. Unlike many other aquarium floaters, it skips the long, trailing root systems draping into the water column, instead rapidly forming dense, compact mats across the surface. That makes it ideal for low-tech tanks and paludariums, where the natural shade it creates helps keep nuisance algae in check while giving your livestock a peaceful canopy to live under.
Key Features & Benefits
Hooded leaves with air pouches create a three-dimensional texture across the water surface.
Short, compact root structure provides a sleek look that will not entangle taller background stems or snag swimming fish.
Absorbs excess nitrates and waterborne nutrients to help starve out algae.
Care & Planting Instructions
Gently place the plants directly onto the water surface, ensuring the tops of the leaves remain dry.
Keep surface agitation minimal, as heavy water flow or splashing filters will trap water on top of the leaves and cause them to rot.
Provide adequate lighting to encourage rapid growth and bring out rich coloration.
Thin out the floating carpet regularly to ensure light still reaches your submerged midground and stem plants below.
Dose liquid fertilizers regularly because floating plants absorb nutrients directly from the water column at an accelerated rate.
Quick Facts
Listed information should be treated as general guidelines only. Team Buce Plant encourages you to do thorough research to ensure healthy growth!
Attribute
Specification
Scientific Name
Salvinia cucullata
Common Name(s)
Salvinia Cucullata, Hooded Water Fern
Family
Salviniaceae
Plant Type
Floating Plant / Water Fern
Height / Size
Leaves 0.5–1 in. wide | Height 2–3 in.
Care Difficulty
Easy
Light Requirement
Low to High
CO2 Requirement
Not Required
Placement / Usage
Water Surface Canopy, Livestock Shade
Growth Rate
Fast
Water Parameters
pH 6.5–7.5 | Temperature 68°F–80°F (20°C–27°C)
Propagation Method
Division (Side Shoots / Splitting)
Origin
Cosmopolitan / Southeast Asia
Frequently Asked Questions
1. How do I keep my floating aquarium plants from dying due to filter flow and splashing?
High water turbulence and constant water resting on the leaves are the main causes of rot in floating aquarium plants. Keep surface flow low, or use an airline tubing loop or floating ring to shield your aquarium floaters from direct filter return or bubbling air stones.
2. Can floating plants help control algae and absorb nitrates in a fish tank?
Yes, these aquarium floaters act as incredible biological filters. Because they sit at the surface with direct access to atmospheric carbon dioxide, they grow exponentially faster than fully submerged species, aggressively consuming nitrates, ammonium, and excess nutrients that fuel nuisance algae.
3. Should I trim the hanging roots or thin out excess surface growth?
Unlike other floaters, Salvinia Cucullata maintains naturally short roots that rarely require trimming. However, routinely thinning out excess leaf coverage is crucial so that your floating plants do not completely block light from reaching your submerged stem and ground plants below.
