Dwarf Gourami

Trichogaster lalius

Dwarf Gourami (Trichogaster lalius) — Intermediate care, Semi-aggressive, under Gourami. Minimum tank in the app: 15.9 US gal min; aim for 72–81°F and pH 6–7.8. The Dwarf Gourami is ideal for aquarists seeking a captivating mid-tank swimmer with a striking appearance.

Care levelIntermediate

TemperamentSemi-aggressive

Min tank size15.9 US gal min

pH range6–7.8

Temperature72–81°F

Max size3.0 in (7.5 cm)

Captive lifespan4–8 years

SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Southeast Asia

East & Southeast Asia

Regional colours match the stocking calculator’s origin map.

Dwarf Gourami Tank Setup

Aim for a 60L tank with a balance of open swimming areas and dense planting to create territories while allowing free movement. Smooth substrate and gentle water flow are preferable, with moderate lighting to encourage natural foraging behavior. Incorporate floating plants to simulate their natural habitat and reduce stress.

What Do Dwarf Gouramis Eat?

Dwarf Gouramis are omnivores with a moderate feeding pace, making them relatively easy to feed. They thrive on a varied diet, but competition can spike if introduced to fast feeders.

Dwarf Gourami Tank Mates

While Dwarf Gouramis are generally compatible with other peaceful species, avoid pairing them with overly boisterous or large fish that may intimidate them. Ideal tank mates include small tetras or rasboras, whereas mixing with aggressive species or larger cichlids can lead to conflict. They thrive best in small groups, but intraspecies aggression may arise if space is limited.

Are Dwarf Gouramis Good for Beginners?

We rate this as intermediate. Budget time for testing, maintenance, and watching behaviour if the water looks fine but the fish do not. Aquarists often underestimate the importance of tank structure, leading to stress and aggression due to lack of hiding spots. Overcrowding can also exacerbate territorial disputes, while neglecting water quality parameters like pH and temperature may result in health issues.