Can Firemouth Cichlid and Licorice Gourami Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Firemouth Cichlid and Licorice Gourami are not recommended as tank mates due to conflicting pH requirements and incompatible hardness ranges. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Firemouth Cichlid

Thorichthys meeki

Licorice Gourami

Parosphromenus deissneri

🐠Family Group
Firemouth Cichlid
Cichlids - Central American
Licorice Gourami
Anabantoids
Temperament
Firemouth Cichlid
Semi-Aggressive (6/10)
Licorice Gourami
Peaceful (2/10)
Temperature
✓ Compatible
Firemouth Cichlid
23–30°C
Licorice Gourami
22–28°C
pH Range
✗ No overlap
Firemouth Cichlid
6.5–8
Licorice Gourami
3–6
Hardness (dGH)
✗ No overlap
Firemouth Cichlid
8–15
Licorice Gourami
0–4
Water Type
✓ Compatible
Firemouth Cichlid
Freshwater Only
Licorice Gourami
Freshwater Only
Flow Preference
✓ Compatible
Firemouth Cichlid
Moderate
Licorice Gourami
Low
Min Tank Volume
Combined: 110 L
Firemouth Cichlid
110 L
Licorice Gourami
19 L
Swimming Level
Shared: 2 zones
Firemouth Cichlid
MiddleBottom
Licorice Gourami
MiddleBottom
🏷️Behavior Tags
Firemouth Cichlid
Territorial (Defends specific area)Digger (Disturbs Substrate)Aggressive to same species/look-alikes
Licorice Gourami
Nano / Bite-sized (Predation Risk)Shy / Slow Moving (Easily Stressed)
Stocking calculator

Can your tank handle Firemouth Cichlid and Licorice Gourami?

Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.

Firemouth Cichlid
Licorice Gourami
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Behaviour & Temperament

Firemouth Cichlid is a moderately assertive species (6/10), while Licorice Gourami is peaceful (2/10). This notable difference means Firemouth Cichlid may occasionally assert dominance over Licorice Gourami.

Firemouth Cichlid and Licorice Gourami both frequent the Middle (Open Water) and Bottom (Substrate) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Water Parameters

The safe temperature window for both species falls between 23°C and 28°C. Aim for the midpoint of this range (around 25.5°C) for optimal comfort.

The pH requirements of Firemouth Cichlid (6.5–8) and Licorice Gourami (3–6) do not overlap, making it impossible to satisfy both species simultaneously.

Hardness requirements are incompatible: Firemouth Cichlid needs 8–15 dGH while Licorice Gourami requires 0–4 dGH.

Tank Setup

To house Firemouth Cichlid and Licorice Gourami together, plan for an aquarium of at least 110 litres with a minimum length of 90 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.

Specific environmental needs for this combination include: Sand (Sifters), Smooth Gravel (Sensitive Barbels), Leaf Litter/Blackwater, Plants - Densely covered, Plants - Floating, Driftwood (Digestion/Hiding). Meeting these requirements will help both species thrive.

Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Firemouth Cichlid and Licorice Gourami are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Firemouth Cichlid and Licorice Gourami.

Show 10 more tank sizes

Frequently Asked Questions

Can Firemouth Cichlid and Licorice Gourami live together?

No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.

What size tank do Firemouth Cichlid and Licorice Gourami need?

A minimum of 110 litres (tank length at least 90 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for Firemouth Cichlid and Licorice Gourami together?

Keep the aquarium between 23°C and 28°C. A target of around 25.5°C sits comfortably within both species' preferred ranges.

Are Firemouth Cichlid or Licorice Gourami aggressive?

Firemouth Cichlid is moderately assertive (6/10) and Licorice Gourami is peaceful (2/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Firemouth Cichlid and Licorice Gourami need?

Their pH requirements do not overlap. Firemouth Cichlid prefers 6.5–8, while Licorice Gourami needs 3–6. This makes them incompatible in the same water chemistry.

How do I manage Firemouth Cichlid's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Firemouth Cichlid space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 6, 2026
Last updated
May 6, 2026
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