Back to Red Root Floater fish guides

Is Red Root Floater a Good Plant for Wels Catfish (European Catfish)?

Reviewed by Guidarium Editorial DeskUpdated April 30, 2026
Possible with Caution

Red Root Floater can work with Wels Catfish (European Catfish), 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.

Red Root Floater

Phyllanthus fluitans

View plant profile
PlacementFloating
LightModerate
DifficultyBeginner
Size4 × 6 cm

Wels Catfish (European Catfish)

Silurus glanis

View fish profile
TemperamentAggressive
FamilyCatfish
Temp4–25°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: 20-25°C, pH 6-8, 5-15 dGH.

Plant pressure

Moderate

Red Root Floater needs thoughtful placement and anchoring.

Layout value

High cover

Red Root Floater helps with provides surface cover, breaks lines of sight, 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
Red Root Floater20-30°C
Wels Catfish (European Catfish)4-25°C

Overlap: 20-25°C.

pH
Red Root Floater6-8
Wels Catfish (European Catfish)6-8

Overlap: pH 6-8.

Hardness
Red Root Floater2-15 dGH
Wels Catfish (European Catfish)5-20 dGH

Overlap: 5-15 dGH.

Water and flow
Red Root FloaterFreshwater Only, Low (Still Water)
Wels Catfish (European Catfish)Freshwater Only, Moderate (Standard)

Flow expectations are close enough for one layout.

Space used
Red Root FloaterFloating
Wels Catfish (European Catfish)Bottom (Substrate)
Pressure signals
Red Root FloaterLow uproot resistance, Delicate leaves
Wels Catfish (European Catfish)Aggressive, Piscivore (Eats small/nano fish), Nocturnal, and Generally Aggressive

Plant pressure: Moderate.

Planting value
Red Root FloaterProvides surface cover, Breaks lines of sight, Good refuge for shrimp, Good refuge for fry, and Good grazing surface, No substrate required
Wels Catfish (European Catfish)Smooth Gravel (Sensitive Barbels) and Driftwood (Digestion/Hiding)

Shared Tank Conditions

Red Root Floater fits inside the water range normally used for Wels Catfish (European Catfish). The shared window is about 20 to 25 °C, pH 6 to 8, and 5 to 15 dGH, which gives you enough room to aim for stable middle-ground conditions.

Their flow expectations are close enough to combine: Red Root Floater prefers gentle, low-flow water, while Wels Catfish (European Catfish) prefers moderate flow.

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

Fish Pressure and Plant Resilience

Wels Catfish (European Catfish) 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.

Red Root Floater has high cover density, low uproot resistance, and delicate leaves. It can also help with surface cover, breaking up sight lines, shrimp refuge, fry refuge, and grazing surfaces.

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

The point to watch is fast, forceful fish movement can be rough on a plant that anchors lightly.

Layout Fit

Red Root Floater is a floating plant usually used floating.

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

Red Root Floater reaches about 4 cm tall by 6 cm wide and is usually free-floating with no substrate required. 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 surface cover, line-of-sight breaks, shrimp refuge, fry refuge, and grazing surfaces. Place it where Wels Catfish (European Catfish) 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: Fast, forceful fish movement can be rough on a plant that anchors lightly.

Best Use Case

Red Root Floater can work with Wels Catfish (European Catfish), 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 Red Root Floater and Wels Catfish (European Catfish)

Is Red Root Floater a good plant for Wels Catfish (European Catfish)?

Red Root Floater can work with Wels Catfish (European Catfish), 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 Wels Catfish (European Catfish) damage Red Root Floater?

Fast, forceful fish movement can be rough on a plant that anchors lightly.

Do Red Root Floater and Wels Catfish (European Catfish) share the same water conditions?

Red Root Floater and Wels Catfish (European Catfish) share a workable water window around 20 to 25 °C, pH 6 to 8, and 5 to 15 dGH. Keep the tank near the middle of that overlap for the best long-term result.

What does Red Root Floater add to a tank with Wels Catfish (European Catfish)?

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

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

Fast, forceful fish movement can be rough on a plant that anchors lightly.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
April 30, 2026
Last updated
April 30, 2026
Issues or corrections?
Contact the editorial team

Other Fish for Red Root Floater

Other Plants for Wels Catfish (European Catfish)