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Is Creeping Jenny a Good Plant for Sumo Loach?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Creeping Jenny is not recommended for Sumo Loach. The issue is practical, not cosmetic: sumo Loach is likely to uproot this plant while digging through the substrate.

Creeping Jenny

Lysimachia nummularia

View plant profile
PlacementMidground
LightModerate
DifficultyBeginner
Size40 × 5 cm

Sumo Loach

Schistura balteata

View fish profile
TemperamentAggressive
FamilyLoaches
Temp22–26°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

58/100

The fish is likely to outgrow, uproot, or out-pressure the plant.

Water match

Workable overlap

Shared range: 22-26°C, pH 6.5-7.5, 4-12 dGH.

Plant pressure

High

Sumo Loach may chew, uproot, or stress this plant.

Layout value

Moderate cover

Creeping Jenny helps with breaks lines of sight and good refuge for fry.

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
Creeping Jenny10-26°C
Sumo Loach22-26°C

Overlap: 22-26°C.

pH
Creeping Jenny6-8
Sumo Loach6.5-7.5

Overlap: pH 6.5-7.5.

Hardness
Creeping Jenny4-15 dGH
Sumo Loach2-12 dGH

Overlap: 4-12 dGH.

Water and flow
Creeping JennyFreshwater Only, Moderate (Standard)
Sumo LoachFreshwater Only, High (River/Stream)

Flow expectations are close enough for one layout.

Space used
Creeping JennyMidground and Background
Sumo LoachBottom (Substrate)
Pressure signals
Creeping JennyLow uproot resistance, Standard leaves
Sumo LoachAggressive, Aggressive to same species/look-alikes, Territorial (Defends specific area), and Fin Nipper

Plant pressure: High.

Planting value
Creeping JennyBreaks lines of sight and Good refuge for fry, Inert substrate is fine
Sumo LoachSand (Sifters) and Smooth Gravel (Sensitive Barbels)

Shared Tank Conditions

Creeping Jenny fits inside the water range normally used for Sumo Loach. The shared window is about 22 to 26 °C, pH 6.5 to 7.5, and 4 to 12 dGH, which gives you enough room to aim for stable middle-ground conditions.

Their flow expectations are close enough to combine: Creeping Jenny prefers moderate flow, while Sumo Loach prefers strong, stream-style flow.

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

Fish Pressure and Plant Resilience

Sumo Loach puts heavy pressure on plants, so this species is likely to be chewed, uprooted, or stressed in day-to-day use.

Creeping Jenny has moderate cover density, low uproot resistance, and standard leaves. It can also help with breaking up sight lines and fry refuge.

The plant helps break up sight lines, which can soften territorial behaviour.

The limiting issue is sumo Loach is likely to uproot this plant while digging through the substrate.

Layout Fit

Creeping Jenny is a stem plant usually used midground and background.

Sumo Loach is a loach, so the pairing works best when the planting style supports how that fish uses space and cover.

Creeping Jenny reaches about 40 cm tall by 5 cm wide and is usually rooted in substrate with inert substrate is fine. 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 fry refuge. Place it where Sumo Loach can actually use that structure instead of hiding the plant where it cannot do much.

Practical Recommendation

For most keepers, a tougher or better-matched plant is the smarter choice. If you still try it, test with a small amount first and be ready to move the plant before it is badly damaged.

The decision should center on this signal: Sumo Loach is likely to uproot this plant while digging through the substrate.

Best Use Case

Creeping Jenny is usually the wrong plant for Sumo Loach if your goal is a stable display tank. The issue is rarely one dramatic failure on day one; it is the steady mismatch between what the fish does in the scape and what the plant needs to stay attractive long term.

Frequently Asked Questions About Creeping Jenny and Sumo Loach

Is Creeping Jenny a good plant for Sumo Loach?

Creeping Jenny is not recommended for Sumo Loach. The issue is practical, not cosmetic: sumo Loach is likely to uproot this plant while digging through the substrate.

Can Sumo Loach damage Creeping Jenny?

Sumo Loach is likely to uproot this plant while digging through the substrate.

Do Creeping Jenny and Sumo Loach share the same water conditions?

Creeping Jenny and Sumo Loach share a workable water window around 22 to 26 °C, pH 6.5 to 7.5, and 4 to 12 dGH. Keep the tank near the middle of that overlap for the best long-term result.

What does Creeping Jenny add to a tank with Sumo Loach?

The plant helps break up sight lines, which can soften territorial behaviour.

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

Sumo Loach is likely to uproot this plant while digging through the substrate.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 11, 2026
Last updated
May 11, 2026
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