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Is Floating Water Sprite a Good Plant for Blue Acara?

Reviewed by Guidarium Editorial DeskUpdated May 2, 2026
Not Recommended

Floating Water Sprite is not recommended for Blue Acara. The issue is practical, not cosmetic: blue Acara is likely to chew or tear this plant before it settles in.

Floating Water Sprite

Ceratopteris cornuta

View plant profile
PlacementFloating
LightModerate
DifficultyBeginner
Size15 × 30 cm

Blue Acara

Andinoacara pulcher

View fish profile
TemperamentSemi-Aggressive
FamilyCichlids - South 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

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

Water match

Workable overlap

Shared range: 22-28°C, pH 6.5-8, 3-15 dGH.

Plant pressure

High

Blue Acara may chew, uproot, or stress this plant.

Layout value

High cover

Floating Water Sprite helps with provides surface cover, good refuge for fry, good refuge for shrimp, useful spawning site, 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 Water Sprite20-30°C
Blue Acara22-28°C

Overlap: 22-28°C.

pH
Floating Water Sprite5.5-8
Blue Acara6.5-8

Overlap: pH 6.5-8.

Hardness
Floating Water Sprite2-15 dGH
Blue Acara3-15 dGH

Overlap: 3-15 dGH.

Water and flow
Floating Water SpriteFreshwater Only, Low (Still Water)
Blue AcaraFreshwater Only, Moderate (Standard)

Flow expectations are close enough for one layout.

Space used
Floating Water SpriteFloating
Blue AcaraMiddle (Open Water) and Bottom (Substrate)
Pressure signals
Floating Water SpriteLow uproot resistance, Delicate leaves
Blue AcaraSemi-Aggressive, Territorial (Defends specific area), Digger (Disturbs Substrate), and Piscivore (Eats small/nano fish)

Plant pressure: High.

Planting value
Floating Water SpriteProvides surface cover, Good refuge for fry, Good refuge for shrimp, Useful spawning site, Good grazing surface, and Breaks lines of sight, No substrate required
Blue AcaraSand (Sifters), Smooth Gravel (Sensitive Barbels), and Driftwood (Digestion/Hiding)

Shared Tank Conditions

Floating Water Sprite fits inside the water range normally used for Blue Acara. The shared window is about 22 to 28 °C, pH 6.5 to 8, and 3 to 15 dGH, which gives you enough room to aim for stable middle-ground conditions.

Their flow expectations are close enough to combine: Floating Water Sprite prefers gentle, low-flow water, while Blue Acara prefers moderate flow.

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

Fish Pressure and Plant Resilience

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

Floating Water Sprite has high cover density, low uproot resistance, and delicate leaves. It can also help with surface cover, fry refuge, shrimp refuge, spawning sites, grazing surfaces, and breaking up sight lines.

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

The limiting issue is blue Acara is likely to chew or tear this plant before it settles in.

Layout Fit

Floating Water Sprite is a floating plant usually used floating.

Blue Acara is a South American cichlid, so the pairing works best when the planting style supports how that fish uses space and cover.

Floating Water Sprite reaches about 15 cm tall by 30 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, spawning sites, grazing surfaces, and line-of-sight breaks. Place it where Blue Acara 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: Blue Acara is likely to chew or tear this plant before it settles in.

Best Use Case

Floating Water Sprite is usually the wrong plant for Blue Acara 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 Floating Water Sprite and Blue Acara

Is Floating Water Sprite a good plant for Blue Acara?

Floating Water Sprite is not recommended for Blue Acara. The issue is practical, not cosmetic: blue Acara is likely to chew or tear this plant before it settles in.

Can Blue Acara damage Floating Water Sprite?

Blue Acara is likely to chew or tear this plant before it settles in.

Do Floating Water Sprite and Blue Acara share the same water conditions?

Floating Water Sprite and Blue Acara share a workable water window around 22 to 28 °C, pH 6.5 to 8, and 3 to 15 dGH. Keep the tank near the middle of that overlap for the best long-term result.

What does Floating Water Sprite add to a tank with Blue Acara?

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

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

Blue Acara is likely to chew or tear this plant before it settles in.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 2, 2026
Last updated
May 2, 2026
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