Vallisneria Americana
Vallisneria Americana (Vallisneria americana)
Species: Freshwater Aquatic Plant
Growth Form: Tall, ribbon-like leaves; typically 12–36 inches (30–90 cm)
Coloration: Green to bright green
Temperament: Peaceful; provides shelter and cover for fish and shrimp
Tank Size: 10 gallons minimum
Placement: Background
Lighting: Low to moderate
Flow: Low to moderate
Diet: Root-feeding aquatic plant
Feeding: Nutrient-rich substrate, root tabs and liquid fertilizers; CO₂ not required
Care Level: Easy
Vallisneria Americana (American Eelgrass)
Common Names
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American Vallisneria
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American Eelgrass
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Tape Grass
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Wild Celery
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Vallisneria
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Vallisneria americana
Identification
Vallisneria Americana is a popular and hardy freshwater aquatic plant known for its long, ribbon-like green leaves that grow vertically from the substrate. It is an excellent background plant that adds height, movement and a natural appearance to freshwater aquariums.
Its long, narrow leaves can grow quite tall, making it particularly suitable for larger aquariums where it can create a lush underwater backdrop. Depending on growing conditions and variety, leaves can reach approximately 12–36 inches (30–90 cm) or longer.
Vallisneria spreads naturally through runners, producing new plants around the parent plant. This makes it an excellent choice for hobbyists looking to establish a dense, natural-looking planted aquarium.
Behaviour & Role
Vallisneria Americana is a fast-growing aquatic plant that provides excellent coverage and shelter for freshwater fish.
Its tall, flowing leaves create natural hiding places for smaller fish, shrimp and fry, while also helping establish a more natural aquarium environment.
It is particularly useful for filling empty background spaces and creating a lush planted appearance without requiring complicated maintenance.
As it spreads through runners, it can gradually form a dense underwater meadow when given suitable growing conditions.
Compatibility & Caution
Vallisneria Americana is compatible with most peaceful freshwater community fish and invertebrates.
Suitable tank mates and aquarium inhabitants include:
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Tetras
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Rasboras
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Guppies
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Platies
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Mollies
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Gouramis
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Corydoras
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Rainbowfish
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Angelfish
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Shrimp
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Snails
Avoid keeping it with plant-eating fish or species that frequently uproot aquarium plants.
Goldfish, large cichlids and certain larger herbivorous fish may damage or consume its leaves.
Care Level
Easy
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Tank Size: 10 gallons minimum; larger aquariums recommended for its spreading growth
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Temperature: 64–82°F (18–28°C)
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pH: 6.0–8.0
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Water Hardness: Soft to Hard
Vallisneria Americana is a hardy and adaptable aquatic plant that grows well in a wide range of freshwater conditions. It is an excellent choice for beginners and experienced planted aquarium enthusiasts.
It does best when planted in nutrient-rich substrate with enough room for its roots and runners to spread.
Lighting: Low to moderate lighting is generally sufficient, although moderate lighting encourages faster and fuller growth.
CO₂: Not required. Supplemental CO₂ can encourage faster growth but is not necessary.
Fertilization: Root tabs are beneficial because Vallisneria absorbs a significant amount of nutrients through its root system. Liquid fertilizers can also support healthy leaf development.
Avoid excessive water-column dosing of certain carbon supplements, as Vallisneria can be sensitive to some products containing liquid carbon.
Remove older or damaged leaves as needed to maintain a healthy appearance. Avoid trimming the leaves halfway down, as cut leaf tips can become unattractive.
Tank Mates
Excellent aquarium companions include:
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Neon Tetras
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Cardinal Tetras
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Harlequin Rasboras
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Guppies
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Platies
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Mollies
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Swordtails
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Corydoras
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Rainbowfish
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Gouramis
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Shrimp
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Snails
Vallisneria also provides excellent cover for livebearer fry and small fish that benefit from additional hiding spaces.
Fun Fact
Vallisneria Americana is named after its long, ribbon-like leaves, which resemble underwater grass moving gently with the aquarium current.
It reproduces through underground runners, allowing a single healthy plant to produce numerous daughter plants over time. With suitable conditions, it can gradually transform an empty aquarium background into a beautiful underwater grassland.

