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Is Uruguay Sword a Good Plant for Dwarf Rasbora?

Reviewed by Guidarium Editorial DeskUpdated May 4, 2026
Strong Fit

Uruguay Sword is a strong fit for Dwarf Rasbora. The shared water window is realistic, and the plant has enough structure or resilience to be useful in a tank built around this fish. Fish pressure is low, so the plant can be judged mostly on water match, cover value, and layout role.

Uruguay Sword

Echinodorus uruguayensis

View plant profile
PlacementMidground
LightModerate
DifficultyBeginner
Size55 × 40 cm

Dwarf Rasbora

Boraras maculatus

View fish profile
TemperamentPeaceful
FamilyCyprinids
Temp22–28°C
Water TypeFreshwater Only

Quick Decision

A plant can be technically compatible with a fish and still fail in the actual tank if the fish digs, chews, needs denser cover, or uses a different part of the layout.

Overall fit

84/100

The plant and fish suit each other well.

Water match

Workable overlap

Shared range: 22-28°C, pH 6-7, 2-10 dGH.

Plant pressure

Low

Dwarf Rasbora is not flagged as unusually hard on this plant.

Layout value

Moderate cover

Uruguay Sword helps with breaks lines of sight and useful spawning site.

Plant and Fish Fit Notes

Use these signals to decide whether the plant is doing useful work for the fish, or whether it is only surviving beside it.

Temperature
Uruguay Sword16-28°C
Dwarf Rasbora22-28°C

Overlap: 22-28°C.

pH
Uruguay Sword6-7.5
Dwarf Rasbora4.5-7

Overlap: pH 6-7.

Hardness
Uruguay Sword2-12 dGH
Dwarf Rasbora1-10 dGH

Overlap: 2-10 dGH.

Water and flow
Uruguay SwordFreshwater Only, Moderate (Standard)
Dwarf RasboraFreshwater Only, Low (Still Water)

Flow expectations are close enough for one layout.

Space used
Uruguay SwordMidground and Background
Dwarf RasboraMiddle (Open Water)
Pressure signals
Uruguay SwordHigh uproot resistance, Tough / leathery leaves
Dwarf RasboraPeaceful, Nano / Bite-sized (Predation Risk) and Shy / Slow Moving (Easily Stressed)

Plant pressure: Low.

Planting value
Uruguay SwordBreaks lines of sight and Useful spawning site, Nutrient-rich substrate preferred
Dwarf RasboraPlants - Densely covered, Plants - Floating, and Leaf Litter/Blackwater

Shared Tank Conditions

Uruguay Sword fits inside the water range normally used for Dwarf Rasbora. The shared window is about 22 to 28 °C, pH 6 to 7, and 2 to 10 dGH, which gives you enough room to aim for stable middle-ground conditions.

Their flow expectations are close enough to combine: Uruguay Sword prefers moderate flow, while Dwarf Rasbora prefers gentle, low-flow water.

Both are suited to freshwater, so salinity does not add an extra planning problem.

Fish Pressure and Plant Resilience

Dwarf Rasbora does not put unusual pressure on this plant compared with harder fish-plant combinations.

Uruguay Sword has moderate cover density, high uproot resistance, and tough / leathery leaves. It can also help with breaking up sight lines and spawning sites.

This plant adds the denser cover that Dwarf Rasbora usually appreciates.

The point to watch is dwarf Rasbora often benefits from floating cover, so this plant may need to be part of a mixed planting plan rather than the whole answer.

Layout Fit

Uruguay Sword is a rosette / crown plant usually used midground and background.

Dwarf Rasbora is a cyprinid, so the pairing works best when the planting style supports how that fish uses space and cover.

Uruguay Sword reaches about 55 cm tall by 40 cm wide and is usually rooted in substrate with nutrient-rich substrate preferred. That makes placement and anchoring more important than simply adding a larger bunch of stems or leaves.

In this pairing, the useful plant values are line-of-sight breaks and spawning sites. Place it where Dwarf Rasbora can actually use that structure instead of hiding the plant where it cannot do much.

Practical Recommendation

This is a sensible planted-tank choice for Dwarf Rasbora, especially when you want the plant to do real work as cover, sight-line structure, or habitat detail.

The decision should center on this signal: Dwarf Rasbora often benefits from floating cover, so this plant may need to be part of a mixed planting plan rather than the whole answer.

Best Use Case

Uruguay Sword is a strong choice for Dwarf Rasbora when you want the plant to do real work in the tank, not just survive in the background. The pairing tends to perform best when the plant's cover, resilience, or placement naturally supports how the fish moves, hides, or claims space.

Frequently Asked Questions About Uruguay Sword and Dwarf Rasbora

Is Uruguay Sword a good plant for Dwarf Rasbora?

Uruguay Sword is a strong fit for Dwarf Rasbora. The shared water window is realistic, and the plant has enough structure or resilience to be useful in a tank built around this fish. Fish pressure is low, so the plant can be judged mostly on water match, cover value, and layout role.

Can Dwarf Rasbora damage Uruguay Sword?

Dwarf Rasbora often benefits from floating cover, so this plant may need to be part of a mixed planting plan rather than the whole answer.

Do Uruguay Sword and Dwarf Rasbora share the same water conditions?

Uruguay Sword and Dwarf Rasbora share a workable water window around 22 to 28 °C, pH 6 to 7, and 2 to 10 dGH. Keep the tank near the middle of that overlap for the best long-term result.

What does Uruguay Sword add to a tank with Dwarf Rasbora?

This plant adds the denser cover that Dwarf Rasbora usually appreciates.

What is the main risk in this plant and fish pairing?

Dwarf Rasbora often benefits from floating cover, so this plant may need to be part of a mixed planting plan rather than the whole answer.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 4, 2026
Last updated
May 4, 2026
Issues or corrections?
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