Can Black Skirt Tetra and Dwarf Gourami Live Together?

🟡Possible with Caution

Keeping Black Skirt Tetra and Dwarf Gourami together is possible but requires caution due to potential behavioral clashes. Provide a spacious tank of at least 66 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Black Skirt Tetra

Gymnocorymbus ternetzi

Dwarf Gourami

Trichogaster lalius

🐠Family Group
Black Skirt Tetra
Characins
Dwarf Gourami
Anabantoids
Temperament
Black Skirt Tetra
Mostly Peaceful (4/10)
Dwarf Gourami
Semi-Aggressive (5/10)
Temperature
✓ Compatible
Black Skirt Tetra
20–26°C
Dwarf Gourami
22–28°C
pH Range
✓ Compatible
Black Skirt Tetra
6–8
Dwarf Gourami
6–7.5
Hardness (dGH)
✓ Compatible
Black Skirt Tetra
3–15
Dwarf Gourami
4–15
Water Type
✓ Compatible
Black Skirt Tetra
Freshwater Only
Dwarf Gourami
Freshwater Only
Flow Preference
✓ Compatible
Black Skirt Tetra
Moderate
Dwarf Gourami
Low
Min Tank Volume
Combined: 66 L
Black Skirt Tetra
55 L
Dwarf Gourami
50 L
Swimming Level
Shared: 1 zone
Black Skirt Tetra
Middle
Dwarf Gourami
TopMiddle
🏷️Behavior Tags
Black Skirt Tetra
Hyperactive / Fast SwimmerFin Nipper
Dwarf Gourami
Territorial (Defends specific area)Fry PredatorShy / Slow Moving (Easily Stressed)Aggressive to same species/look-alikes

Behaviour & Temperament

Black Skirt Tetra is a generally mild-mannered species (4/10), while Dwarf Gourami is moderately assertive (5/10). This modest difference means Dwarf Gourami may occasionally assert dominance over Black Skirt Tetra.

Black Skirt Tetra and Dwarf Gourami both frequent the Middle (Open Water) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion.

To improve the chances of a peaceful coexistence in this community tank: Provide a significantly larger tank (at least 50% more volume than the minimum) to allow both Black Skirt Tetra and Dwarf Gourami to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations. A larger aquarium with ample hiding spots can help diffuse aggression and give the less dominant fish space to retreat. Keep fin nippers in larger groups to distribute nipping behaviour among conspecifics rather than tank mates.

Water Parameters

The safe temperature window for both species falls between 22°C and 26°C. Aim for the midpoint of this range (around 24.0°C) for optimal comfort.

Both fish can tolerate a pH between 6 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 4–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Black Skirt Tetra and Dwarf Gourami together, plan for an aquarium of at least 66 litres with a minimum length of 60 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Plants - Densely covered, Plants - Floating. 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.

Frequently Asked Questions

Can Black Skirt Tetra and Dwarf Gourami live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 66 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Black Skirt Tetra and Dwarf Gourami need?

A minimum of 66 litres (tank length at least 60 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 Black Skirt Tetra and Dwarf Gourami together?

Keep the aquarium between 22°C and 26°C. A target of around 24.0°C sits comfortably within both species' preferred ranges.

Are Black Skirt Tetra or Dwarf Gourami aggressive?

Black Skirt Tetra is generally mild-mannered (4/10) and Dwarf Gourami is moderately assertive (5/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Black Skirt Tetra and Dwarf Gourami need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Black Skirt Tetra nip Dwarf Gourami's fins?

Black Skirt Tetra is a known fin nipper. If Dwarf Gourami has long or flowing fins, there is a real risk of fin damage. Keeping Black Skirt Tetra in a larger group can help redirect nipping behaviour toward conspecifics.

How do I manage Dwarf Gourami's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Dwarf Gourami 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.


Related Comparisons