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Is S. Repens a Good Plant for Walking Catfish (Clarias)?

Reviewed by Guidarium Editorial DeskUpdated May 3, 2026
Possible with Caution

S. Repens can work with Walking Catfish (Clarias), but this is a possible with caution pairing. The plant may need a protected position, stronger anchoring, or companion plants before it feels reliable in day-to-day use. The match depends on anchoring and placement more than the water numbers alone.

S. Repens

Staurogyne repens

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PlacementForeground
LightModerate
DifficultyIntermediate
Size10 × 10 cm

Walking Catfish (Clarias)

Clarias batrachus

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TemperamentAggressive
FamilyCatfish
Temp20–28°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

74/100

Possible, but the scape needs more care.

Water match

Workable overlap

Shared range: 20-28°C, pH 6-7.5, 3-10 dGH.

Plant pressure

Moderate

S. Repens needs thoughtful placement and anchoring.

Layout value

High cover

S. Repens helps with good refuge for shrimp, good refuge for fry, and good grazing surface.

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
S. Repens20-28°C
Walking Catfish (Clarias)20-28°C

Overlap: 20-28°C.

pH
S. Repens6-7.5
Walking Catfish (Clarias)5.5-8

Overlap: pH 6-7.5.

Hardness
S. Repens3-10 dGH
Walking Catfish (Clarias)2-20 dGH

Overlap: 3-10 dGH.

Water and flow
S. RepensFreshwater Only, Moderate (Standard)
Walking Catfish (Clarias)Freshwater Only, Low (Still Water)

Flow expectations are close enough for one layout.

Space used
S. RepensForeground, Carpeting, and Midground
Walking Catfish (Clarias)Bottom (Substrate)
Pressure signals
S. RepensModerate uproot resistance, Standard leaves
Walking Catfish (Clarias)Aggressive, Piscivore (Eats small/nano fish), Jumper (Lid Required), and Generally Aggressive

Plant pressure: Moderate.

Planting value
S. RepensGood refuge for shrimp, Good refuge for fry, and Good grazing surface, Nutrient-rich substrate preferred
Walking Catfish (Clarias)Sand (Sifters) and Smooth Gravel (Sensitive Barbels)

Shared Tank Conditions

S. Repens fits inside the water range normally used for Walking Catfish (Clarias). The shared window is about 20 to 28 °C, pH 6 to 7.5, and 3 to 10 dGH, which gives you enough room to aim for stable middle-ground conditions.

Their flow expectations are close enough to combine: S. Repens prefers moderate flow, while Walking Catfish (Clarias) prefers gentle, low-flow water.

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

Fish Pressure and Plant Resilience

Walking Catfish (Clarias) can still be rough on plants, but this pairing becomes more realistic when the plant is anchored well and used as part of a larger layout.

S. Repens has high cover density, moderate uproot resistance, and standard leaves. It can also help with shrimp refuge, fry refuge, and grazing surfaces.

Its structure adds useful refuge value beyond the normal visual role of the plant.

The point to watch is substrate activity from the fish means this planting style needs extra anchoring at first.

Layout Fit

S. Repens is a stem plant usually used foreground, carpeting, and midground.

Walking Catfish (Clarias) is a catfish, so the pairing works best when the planting style supports how that fish uses space and cover.

S. Repens reaches about 10 cm tall by 10 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 shrimp refuge, fry refuge, and grazing surfaces. Place it where Walking Catfish (Clarias) can actually use that structure instead of hiding the plant where it cannot do much.

Practical Recommendation

Treat this as a managed pairing. Plant it securely, give it time to root or attach, and use other plants or hardscape if the fish needs more shelter than one species can provide.

The decision should center on this signal: Substrate activity from the fish means this planting style needs extra anchoring at first.

Best Use Case

S. Repens can work with Walking Catfish (Clarias), but only if you are honest about the pressure the fish puts on the layout. This is the kind of pairing that succeeds when the plant is chosen for a reason, protected by placement, and supported by a maintenance routine that anticipates damage or crowding.

Frequently Asked Questions About S. Repens and Walking Catfish (Clarias)

Is S. Repens a good plant for Walking Catfish (Clarias)?

S. Repens can work with Walking Catfish (Clarias), but this is a possible with caution pairing. The plant may need a protected position, stronger anchoring, or companion plants before it feels reliable in day-to-day use. The match depends on anchoring and placement more than the water numbers alone.

Can Walking Catfish (Clarias) damage S. Repens?

Substrate activity from the fish means this planting style needs extra anchoring at first.

Do S. Repens and Walking Catfish (Clarias) share the same water conditions?

S. Repens and Walking Catfish (Clarias) share a workable water window around 20 to 28 °C, pH 6 to 7.5, and 3 to 10 dGH. Keep the tank near the middle of that overlap for the best long-term result.

What does S. Repens add to a tank with Walking Catfish (Clarias)?

Its structure adds useful refuge value beyond the normal visual role of the plant.

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

Substrate activity from the fish means this planting style needs extra anchoring at first.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 3, 2026
Last updated
May 3, 2026
Issues or corrections?
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