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Is Floating Fern a Good Plant for Convict Cichlid?

Reviewed by Guidarium Editorial DeskUpdated April 28, 2026
Possible with Caution

Floating Fern can work with Convict Cichlid, 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. Fish pressure is the main concern, so the plant needs protection or a tougher substitute.

Floating Fern

Salvinia natans

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PlacementFloating
LightModerate
DifficultyBeginner
Size3 × 5 cm

Convict Cichlid

Amatitlania nigrofasciata

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TemperamentAggressive
FamilyCichlids - Central American
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

58/100

Possible, but the scape needs more care.

Water match

Workable overlap

Shared range: 22-28°C, pH 6.5-8, 6-15 dGH.

Plant pressure

High

Convict Cichlid may chew, uproot, or stress this plant.

Layout value

High cover

Floating Fern helps with provides surface cover, good refuge for fry, good refuge for shrimp, good grazing surface, and breaks lines of sight.

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
Floating Fern12-30°C
Convict Cichlid22-28°C

Overlap: 22-28°C.

pH
Floating Fern6-8
Convict Cichlid6.5-8

Overlap: pH 6.5-8.

Hardness
Floating Fern2-15 dGH
Convict Cichlid6-20 dGH

Overlap: 6-15 dGH.

Water and flow
Floating FernFreshwater Only, Low (Still Water)
Convict CichlidFreshwater Only, Moderate (Standard)

Flow expectations are close enough for one layout.

Space used
Floating FernFloating
Convict CichlidMiddle (Open Water) and Bottom (Substrate)
Pressure signals
Floating FernLow uproot resistance, Standard leaves
Convict CichlidAggressive, Digger (Disturbs Substrate), Generally Aggressive, and Fin Nipper

Plant pressure: High.

Planting value
Floating FernProvides surface cover, Good refuge for fry, Good refuge for shrimp, Good grazing surface, and Breaks lines of sight, No substrate required
Convict CichlidSand (Sifters), Driftwood (Digestion/Hiding), and Smooth Gravel (Sensitive Barbels)

Shared Tank Conditions

Floating Fern fits inside the water range normally used for Convict Cichlid. The shared window is about 22 to 28 °C, pH 6.5 to 8, and 6 to 15 dGH, which gives you enough room to aim for stable middle-ground conditions.

Their flow expectations are close enough to combine: Floating Fern prefers gentle, low-flow water, while Convict Cichlid prefers moderate flow.

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

Fish Pressure and Plant Resilience

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

Floating Fern has high cover density, low uproot resistance, and standard leaves. It can also help with surface cover, fry refuge, shrimp refuge, grazing surfaces, and breaking up sight lines.

Floating Fern is less tempting than softer, more palatable plants for known nibblers.

The point to watch is convict Cichlid may still investigate the plant, but the tougher foliage gives it a better chance.

Layout Fit

Floating Fern is a floating plant usually used floating.

Convict Cichlid is a Central American cichlid, so the pairing works best when the planting style supports how that fish uses space and cover.

Floating Fern reaches about 3 cm tall by 5 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, fry refuge, shrimp refuge, grazing surfaces, and line-of-sight breaks. Place it where Convict Cichlid 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: Convict Cichlid may still investigate the plant, but the tougher foliage gives it a better chance.

Best Use Case

Floating Fern can work with Convict Cichlid, 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 Floating Fern and Convict Cichlid

Is Floating Fern a good plant for Convict Cichlid?

Floating Fern can work with Convict Cichlid, 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. Fish pressure is the main concern, so the plant needs protection or a tougher substitute.

Can Convict Cichlid damage Floating Fern?

Convict Cichlid may still investigate the plant, but the tougher foliage gives it a better chance.

Do Floating Fern and Convict Cichlid share the same water conditions?

Floating Fern and Convict Cichlid share a workable water window around 22 to 28 °C, pH 6.5 to 8, and 6 to 15 dGH. Keep the tank near the middle of that overlap for the best long-term result.

What does Floating Fern add to a tank with Convict Cichlid?

Floating Fern is less tempting than softer, more palatable plants for known nibblers.

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

Convict Cichlid may still investigate the plant, but the tougher foliage gives it a better chance.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
April 28, 2026
Last updated
April 28, 2026
Issues or corrections?
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