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Is Water Violet a Good Plant for Neolamprologus Similis?

Not Recommended

Water Violet is not recommended for Neolamprologus Similis. The issue is practical, not cosmetic: their pH ranges do not line up well enough for one stable setup.

Water Violet

Hottonia palustris

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PlacementMidground
LightModerate
DifficultyIntermediate
Size40 × 6 cm

Neolamprologus Similis

Neolamprologus similis

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TemperamentSemi-Aggressive
FamilyCichlids - African
Temp24–27°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

50/100

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

Water match

Limited overlap

One or more core water ranges does not overlap cleanly.

Plant pressure

High

Neolamprologus Similis may chew, uproot, or stress this plant.

Layout value

High cover

Water Violet helps with breaks lines of sight, good refuge for shrimp, 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
Water Violet15-26°C
Neolamprologus Similis24-27°C

Overlap: 24-26°C.

pH
Water Violet5.5-7.5
Neolamprologus Similis7.8-9

Overlap: pH No clean overlap.

Hardness
Water Violet2-15 dGH
Neolamprologus Similis10-25 dGH

Overlap: 10-15 dGH.

Water and flow
Water VioletFreshwater Only, Moderate (Standard)
Neolamprologus SimilisFreshwater Only, Moderate (Standard)

Flow expectations are close enough for one layout.

Space used
Water VioletMidground and Background
Neolamprologus SimilisBottom (Substrate)
Pressure signals
Water VioletLow uproot resistance, Delicate leaves
Neolamprologus SimilisSemi-Aggressive, Nano / Bite-sized (Predation Risk), Territorial (Defends specific area), and Digger (Disturbs Substrate)

Plant pressure: High.

Planting value
Water VioletBreaks lines of sight, Good refuge for shrimp, and Good refuge for fry, Nutrient-rich substrate preferred
Neolamprologus SimilisSand (Sifters) and Shells (Breeding/Hiding)

Shared Tank Conditions

Water Violet and Neolamprologus Similis do not share a clean environmental window, so the pairing is already under pressure before behaviour is even considered.

Both do best with moderate flow, so circulation does not need to be split into competing zones.

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

Fish Pressure and Plant Resilience

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

Water Violet has high cover density, low uproot resistance, and delicate leaves. It can also help with breaking up sight lines, shrimp refuge, and fry refuge.

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

The limiting issue is their pH ranges do not line up well enough for one stable setup.

Layout Fit

Water Violet is a stem plant usually used midground and background.

Neolamprologus Similis is an African cichlid, so the pairing works best when the planting style supports how that fish uses space and cover.

Water Violet reaches about 40 cm tall by 6 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 line-of-sight breaks, shrimp refuge, and fry refuge. Place it where Neolamprologus Similis 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: Their pH ranges do not line up well enough for one stable setup.

Best Use Case

Water Violet is usually the wrong plant for Neolamprologus Similis 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 Water Violet and Neolamprologus Similis

Is Water Violet a good plant for Neolamprologus Similis?

Water Violet is not recommended for Neolamprologus Similis. The issue is practical, not cosmetic: their pH ranges do not line up well enough for one stable setup.

Can Neolamprologus Similis damage Water Violet?

Their pH ranges do not line up well enough for one stable setup.

Do Water Violet and Neolamprologus Similis share the same water conditions?

No. The biggest issue is that their water conditions do not line up cleanly enough for a long-term planted setup.

What does Water Violet add to a tank with Neolamprologus Similis?

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

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

Their pH ranges do not line up well enough for one stable setup.

Editorial Review

Guidarium Editorial Desk

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

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