Lilaeopsis brasiliensis, commonly known as Micro Sword, is a popular runner-forming foreground plant that creates a dense, grass-like carpet. It requires moderate to high lighting and a nutrient-rich substrate to spread effectively. Uniquely, it is also highly adaptable and can tolerate low-end brackish conditions.
Micro Sword At a Glance
Micro Sword Care and Setup
Layout Fit
Micro Sword usually works best across the foreground as a carpet and needs enough room to mature at about 7 cm tall and 15 cm wide.
Water Window
Aim for freshwater to lightly brackish conditions with a steady current, plus 15 to 28 °C, pH 6 to 7.5, and 2 to 15 dGH.
Upkeep Rhythm
Expect slow growth with moderate maintenance. Routine trimming keeps it tidy and stops it from drifting into neighboring space.
Micro Sword Care Guide Summary
The Micro Sword is a runner-forming plant that usually works best across the foreground as a carpet. Give it room to reach about 7 cm tall and 15 cm wide, so the mature plant still fits the layout. It tends to look its best when the light, feeding, and trimming routine stay predictable from week to week. In day-to-day care, it responds best to moderate light, freshwater to lightly brackish conditions, and a steady current. It is noticeably easier to keep attractive and stable with added CO2. Keep this species within a comfortable range of 15 to 28 °C, pH 6 to 7.5, and 2 to 15 dGH.
Micro Sword Planting, Feeding & Maintenance
The Micro Sword does best when the setup matches the way it naturally grows. Plant it with enough room for the crown and new roots to establish cleanly. Most of its uptake happens through the root zone, so root tabs or an enriched bed matter more than frequent water-column dosing. A nutrient-rich substrate helps it settle faster and usually supports fuller growth. Keep the routine steady: moderate light and moderate nutrient demand usually give better results than big swings from week to week. This plant can also adapt to emersed growth, which is useful for growers who propagate outside the display tank.
Best Use Case for Micro Sword
Micro Sword is usually at its best when you want a foreground and carpeting plant with moderate light demands and a moderate maintenance rhythm that fits into a real weekly routine. It is especially useful when you want a plant that keeps doing its job even in a busier community tank.
Micro Sword Compatibility
Use these signals as quick context, not hard rules. They help you judge how well Micro Sword is likely to stay in place, tolerate curious fish, and contribute real cover in a mixed planted tank.
Aquarium Benefits
The Micro Sword can work very well in a mixed tank, but its value depends on how well it handles fish pressure and how much usable cover it really provides. It is less likely to be chewed by curious fish, and its tough / leathery leaves usually help it hold up in calm community tanks. Once rooted or attached, it is relatively dependable and easier to keep in place around more active fish. It creates meaningful shelter for fry, shrimp, and cautious fish. It does not block much light, making it easier to mix with smaller plants nearby. Aquarists also lean on it for shelter for shrimp, shelter for fry, a grazing surface, and a useful spawning site, not just for appearance.
Micro Sword Propagation
This species is usually propagated by runners. With slow growth and moderate upkeep, it stays manageable with routine thinning and trimming. That gives you a better sense of whether simple trimming is enough or whether it is smarter to plan division, replanting, or thinning before the layout closes in.
Frequently Asked Questions About Micro Sword
Is Micro Sword a good beginner aquarium plant?
It sits somewhere in the middle. As a intermediate species with moderate maintenance needs, it is a better fit once you already have the basics of light, feeding, and trimming under control.
Where should Micro Sword be placed in an aquarium?
This plant usually looks best across the foreground as a carpet. At full size it can reach about 7 cm tall by 15 cm wide, so leave room for it to mature. It is best rooted into the substrate.
Does Micro Sword need strong light or CO2?
For the best results, provide it with moderate lighting. Additionally, it is noticeably easier to keep attractive and stable with added CO2.
What water conditions suit Micro Sword?
Aim for freshwater to lightly brackish conditions, a steady current, and a range around 15 to 28 °C, pH 6 to 7.5, and 2 to 15 dGH to keep this species inside its comfort zone.
How does Micro Sword spread or help the aquarium?
It is usually propagated by runners. In the display tank, aquarists value this plant for shelter for shrimp, shelter for fry, a grazing surface, and a useful spawning site.
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Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- April 21, 2026
- Last updated
- April 21, 2026
- Issues or corrections?
- Contact the editorial team
Plants That Grow Well With Micro Sword
These plants share compatible water parameters and growth habits with Micro Sword, making them reliable companions in a shared aquascape.
Downoi
Pogostemon helferi
Dwarf Hairgrass
Eleocharis parvula
S. Repens
Staurogyne repens
Slender Hairgrass
Eleocharis acicularis
Water Violet
Hottonia palustris
Mauritius Micro Sword
Lilaeopsis mauritiana
Side-by-side comparisons for Micro Sword
These guides compare Micro Sword directly with another plant, helping you choose between similar roles, care needs, and layout tradeoffs.
Dwarf Chain Sword
Helanthium tenellum
Dwarf Hairgrass
Eleocharis parvula
Glosso
Glossostigma elatinoides
HC Cuba / Dwarf Baby Tears
Hemianthus callitrichoides
Mauritius Micro Sword
Lilaeopsis mauritiana
River Buttercup
Ranunculus inundatus
Fish That Suit Micro Sword
These fish pair well with Micro Sword based on shared water preferences and temperament, helping you build a balanced tank around this plant.
Scissortail Rasbora
Rasbora trilineata
Rummynose Rasbora
Sawbwa resplendens
Rosy Red Minnow / Fathead Minnow
Pimephales promelas
Rose Danio
Danio roseus
Tequila Splitfin
Zoogoneticus tequila
Sunset Platy (Variatus Platy)
Xiphophorus variatus
Related plant profiles
These cards open plant profiles directly. They are chosen by overall care, layout, and growth-pattern similarity, rather than a side-by-side comparison guide.
Mauritius Micro Sword
Lilaeopsis mauritiana
Lilaeopsis mauritiana is an attractive foreground plant endemic to Mauritius. Unlike the more common L. brasiliensis, its leaves are terete (round in cross-section), resembling tiny green quills. It is known to be slightly less demanding regarding light, though it grows slower. With patience, it forms a dense, distinctively textured carpet in the aquarium.
Broadleaf Sword
Echinodorus bleheri
The Broadleaf Sword, widely known as the Amazon Sword, is a quintessential rosette plant in the aquarium hobby. It develops large, bright green leaves and a massive root system. As a notoriously heavy root feeder, it thrives when provided with a nutrient-rich substrate or root tabs. Its broad leaves make an excellent centerpiece and are famously favored as a natural spawning site by Angelfish and Discus.
Dwarf Chain Sword
Helanthium tenellum
A popular and classic foreground plant that propagates rapidly via runners to form a dense, grass-like carpet. Under high lighting and good nutrition, its delicate leaves can develop an attractive reddish or brownish hue.
Amazon Sword
Echinodorus amazonicus
A classic and highly popular rosette plant known for its bright green, lanceolate leaves. It serves as an excellent centerpiece or background plant that develops a massive root system and thrives when provided with a nutrient-rich substrate. Because of its large broad leaves, it is famously favored by Angelfish and Discus as a spawning site.
Dwarf Hairgrass
Eleocharis parvula
A highly popular and classic carpeting plant that forms a dense, lawn-like grass in the aquarium. While it can survive in lower-tech setups, it requires moderate to high light and CO2 injection to form a thick, vibrant carpet rapidly. It spreads horizontally via runners.
Uruguay Sword
Echinodorus uruguayensis
A large, robust rosette plant from South America characterized by long, ribbon-like, somewhat translucent green leaves. It develops a massive root system and is well-suited as a background plant or solitary focal point in larger aquariums. Its large, sturdy leaves serve as excellent spawning sites for species like angelfish.