Blyxa japonica – Aquatic herb with elegant, dancing foliage
Blyxa japonica from Tropica is a unique aquarium plant. With its leaves shaped like soft strands that undulate in the current, it immediately gives a natural and lively look to the decor. Its dense habit and its olive green color that can turn red under strong light make it an ideal choice for the middle or background of the tank. Cultivated in vitro, it arrives without algae, snails, or pesticides , and integrates easily into aquascapes of all sizes, even nano. Moderately demanding, it appreciates intense lighting , a good substrate, and a CO2 system if possible. A plant that is both graphic and functional, perfect for adding movement and texture.
Dense and supple foliage which elegantly enlivens the decor
Ideal for the midground or background of a planted aquarium
Compatible with nano aquariums, medium-demanding and decorative
Blyxa japonica: an Asian plant with supple, structuring foliage
Native to South and Southeast Asia, Blyxa japonica grows naturally in rice paddies, swamps, canals, and shallow waters. It is a 100% aquatic plant, remaining permanently submerged. Very popular since its use in Takashi Amano's tanks in the 1990s, it has become a staple in Iwagumi and Dutch-style aquatic landscapes.
It can reach between 10 and 30 cm in height, with linear, lanceolate, slightly twisted foliage, soft green to reddish depending on the light intensity. Visually, it recalls a small bush of supple grasses that floats gently in the water. It is a plant that is sometimes confused with a rosette, but in reality, it is indeed a plant with a short, branched stem.
Growing conditions for healthy and colorful growth
For Blyxa japonica to thrive, it needs to be provided with a few essential conditions. It grows best at a temperature between 23 and 26°C , a pH between 5.5 and 7 , and soft water (GH between 1 and 6). Because it has a well-developed root system, it requires a rich, nutrient-rich substrate that is much more suitable than simple sand or gravel.
It requires moderate to intense light to remain compact and colorful, and a good supply of CO2 will help achieve more vigorous growth. Without CO2, it grows, but more slowly and less densely. Under intense light, it takes on slightly reddish hues that add contrast to the tank.
When it comes to fertilization, it's best not to skip it. Regular nutrient intake (2 to 3 times per week) is recommended. It's rich in iron and phosphates, which enhance its color and structure. A well-balanced environment of CO2, light, and fertilizer is key to preventing algae and achieving lush foliage.
Planting, maintenance and propagation in the aquarium
When planting, gently remove the Blyxa from its in vitro pot, rinse off the gel, divide it into several small portions and space them 5 to 8 cm apart. Push the plants about 2.5 cm into the soil to anchor them well. It may be a little floaty at first, so don't hesitate to weigh it down with a small rock while it takes root.
The plant propagates by side shoots that can be separated by hand or with scissors. These shoots can be replanted to thicken the bed. It doesn't require much pruning, but removing damaged leaves from time to time is a good idea to encourage new growth.
Blyxa japonica likes plenty of light, so avoid shaded areas and tall plants above it. Clean, well-filtered water also helps prevent deposits and algae on its fine leaves. If it melts after introduction, don't panic: once acclimated, it often grows back thicker and more beautiful than before.
Riccia fluitans - A versatile floating moss for aquariums
Riccia fluitans , also known as the water lily , is a highly versatile aquatic moss. Popularized by aquascaping master Takashi Amano , it can be used floating or attached to roots and rocks to create beautiful underwater landscapes. Easy to maintain, it forms oxygen bubbles when healthy and provides an excellent refuge for fish and shrimp. Whether you are an aquascaper or a beginner, this plant will enhance your aquarium.
Floating or fixed plant: Ideal for aquascaping and natural aquariums.
Rich in oxygen: Forms bubbles which indicate the good health of the tank.
Fry hiding places: Ideal protection for young fish and shrimp.
Hygrophila pinnatifida - A colorful and easy aquarium plant
Hygrophila pinnatifida is a unique aquatic plant distinguished by its copper, green, and burgundy foliage. Perfect for decorating the background of an aquarium, it clings naturally to roots and rocks, creating a natural and lush setting. With moderate growth , it remains compact if regularly pruned and provided with good lighting . It is ideal for aquarists of all levels, from beginners to experts wishing to perfect an elegant and refined aquatic landscape.
Rotala wallichii – Bright red stems and airy foliage
Tropica 's Rotala wallichii is an exceptional stem plant for enthusiasts who love challenges... and rewards. With its finely cut foliage and spectacular pinkish-red color in good lighting, it transforms an aquarium background into a living tableau. It grows up to 30 cm tall and offers a magnificent contrast with surrounding green plants. Very decorative when planted in groups, it requires strong lighting and a well-established CO2 system . Soft, slightly acidic water and good nutrients are also essential to reveal its full potential. A true star for well-maintained tanks.
Fine, colorful foliage, perfect for the aquarium background
Brings spectacular red and pink hues
Ideal for aquascaping tanks and experienced enthusiasts
Rotala rotundifolia 'Blood Red' – The most intense red glow
Rotala rotundifolia 'Blood Red' is undoubtedly one of the most spectacular plants for adding color to an aquarium. A native of Asia, this variety boasts a deep, vibrant red color that creates a striking contrast alongside light green plants. Easy to maintain, it thrives even in moderate light and nutrient conditions, although strong lighting and an optimized CO2 system are recommended to reveal its full potential. It grows tall, with gently arching stems that form a dense, bushy structure. Easily trimmed, it can be used to create colorful, dynamic, and modern displays in any type of tank.
Microsorum pteropus 'Narrow' – The slender, easy-to-fix fern
Microsorum pteropus 'Narrow' , also known as the narrow-leaved Java fern, is an ideal aquarium plant for beginners and aquascaping enthusiasts alike . It grows naturally attached to an aquarium root or rock , without the need for substrate, making it very easy to install. Its thin, elongated leaves offer a fluid and elegant movement in the water . It is not demanding: moderate light, no need for CO2, and a good ability to adapt to different parameters. In addition to being decorative, it also offers perfect hiding places for fish and shrimp . It is a plant that grows slowly but surely.
Thin, slender leaves for an elegant, natural touch
Easily attaches to roots or stones without substrate
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Phyllanthus fluitans - A floating plant with red highlights
Phyllanthus fluitans , also known as Red Root Floater , is a floating plant native to South America. It is particularly popular for its heart-shaped leaves , which take on a reddish hue under intense lighting . Easy to maintain, it grows quickly and creates a spectacular surface effect while providing ideal shade for fish such as bettas. Its red roots and white flowers add a natural and original touch to any aquarium.
Unique decorative effect: Red foliage under strong light.
Fish Hideouts: Provides shelter for bettas and shrimp.
Riccia fluitans - A versatile floating moss for aquariums
Riccia fluitans , also known as the water lily , is a highly versatile aquatic moss. Popularized by aquascaping master Takashi Amano , it can be used floating or attached to roots and rocks to create beautiful underwater landscapes. Easy to maintain, it forms oxygen bubbles when healthy and provides an excellent refuge for fish and shrimp. Whether you are an aquascaper or a beginner, this plant will enhance your aquarium.
Floating or fixed plant: Ideal for aquascaping and natural aquariums.
Rich in oxygen: Forms bubbles which indicate the good health of the tank.
Fry hiding places: Ideal protection for young fish and shrimp.
Sagittaria subulata – A versatile and easy aquarium plant
Sagittaria subulata is a robust and easy-to-grow aquatic plant, perfect for planted aquariums. Adaptable and undemanding, it forms attractive green carpets in the foreground and can sometimes surprise visitors by developing taller stems with small white flowers. Thanks to its rapid growth, it adds structure to the aquarium and provides natural hiding places for fish and shrimp.
Ideal foreground plant: Forms a dense, natural carpet.
Undemanding: Tolerates different water types and lighting conditions.
Rapid propagation: Multiplies by stolons to cover the ground.
Hygrophila pinnatifida - A colorful and easy aquarium plant
Hygrophila pinnatifida is a unique aquatic plant distinguished by its copper, green, and burgundy foliage. Perfect for decorating the background of an aquarium, it clings naturally to roots and rocks, creating a natural and lush setting. With moderate growth , it remains compact if regularly pruned and provided with good lighting . It is ideal for aquarists of all levels, from beginners to experts wishing to perfect an elegant and refined aquatic landscape.
Rotala indica 'Bonsai' – A Zen touch for your aquarium
Rotala indica 'Bonsai' is an elegant and compact aquatic plant, perfect for adding volume and depth to an aquarium. With its small, rounded leaves and moderate growth, it is reminiscent of a miniature Bacopa caroliniana . Placed in groups and pruned regularly, it forms a dense and harmonious bush. Under intense light , its tips take on a reddish tint, providing a beautiful variation of color. This easy-to-maintain plant is ideal for the second or background of an aquarium and adapts equally well to classic aquariums and sophisticated aquascapes.
Aesthetic and compact: dense and structured foliage, ideal for a natural look.
Easy to maintain: moderate growth, suitable for beginners and experienced aquarists.
Bonsai effect: takes on a beautiful red tint under good lighting.
Helanthium tenellum 'Green' – The perfect plant carpet for your aquarium
Helanthium tenellum 'Green' is a grassy plant ideal for creating a natural, dense carpet in a freshwater aquarium. Unlike the classic variety, this 'Green' version retains a vibrant green hue, even under strong lighting . It forms a compact and attractive plant carpet thanks to its numerous branches. Easy to maintain, it does not require complex care and grows slowly, thus limiting the need for pruning. For optimal development, a CO2 system and nutrient- rich soil are recommended. Whether for a nano aquarium or a large tank, this plant elegantly enhances the foreground.
Perfect for a natural carpet: quickly forms a compact aquatic lawn.
Evergreen foliage: does not turn red even under intense light.
Easy to maintain: slow growth, ideal for limiting regular pruning.
Rotala rotundifolia 'H'ra' – Intense orange color and spectacular growth
The in vitro Rotala rotundifolia 'H'ra' brightens up any aquarium with its fine, elegant leaves that change from soft green to a vibrant orange under optimal lighting . This stem plant grows quickly and forms a charming little bush that perfectly adorns the bottom of the tank. Easy to maintain, it adapts equally well to conventional aquariums and demanding aquascapes. With regular maintenance and proper pruning, it offers a striking decorative effect. Its ability to change its color depending on the maintenance conditions makes it an ideal choice for bringing dynamism and originality to the aquatic environment.
Elegant foliage and bright colors, ideal for livening up the aquarium.
Fast growth for a bushy and decorative effect.
Simple maintenance, suitable for beginners and experienced aquarists.
Pogostemon helferi – Original foreground plant with curly foliage
Pogostemon helferi , also known as “little star” in Thailand, is an aquarium plant as beautiful as it is original. With its bright green , star-shaped, curly leaves, it creates a superb plant carpet on the aquarium floor. Grown in vitro, it is delivered without parasites or algae, and is ready to be divided and planted directly. Its compact size (between 5 and 10 cm) makes it perfect for the foreground. But be careful, this little marvel has its requirements: powerful lighting , a supply of CO2 , a good current and a supply of nutrients are essential for it to flourish. When properly established, it forms a dense and structured vegetation, which looks great in your tank.
Unique curly foliage for a striking visual effect
Ideal for foreground and creating plant carpets
Healthy in vitro plant, without algae or parasites
