Vaillant's Chocolate Gourami

Sphaerichthys vaillanti

Vaillant's Chocolate Gourami (Sphaerichthys vaillanti) — Intermediate care, Semi-aggressive, under Gourami. Minimum tank in the app: 19.8 US gal min; aim for 70–77°F and pH 6–7.8. Vaillant's Chocolate Gourami is perfect for aquarists seeking a mid-sized, visually striking fish with a personality.

Vaillant's Chocolate Gourami (Sphaerichthys vaillanti) in a planted freshwater aquarium
Care levelIntermediate
TemperamentSemi-aggressive
Min tank size19.8 US gal min
pH range6–7.8
Temperature70–77°F
Max size2.2 in (5.5 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.

Vaillant's Chocolate Gourami Tank Setup

Aim for a balanced design that includes ample cover through plants and driftwood to create territories without overwhelming the swimming space. Moderate lighting mimics their natural habitat, while a gentle flow will keep them comfortable and engaged. Fine substrate can enhance their foraging behavior and overall well-being.

What Do Vaillant's Chocolate Gouramis Eat?

They feed relatively slowly, making them susceptible to competition from faster eaters. Ensure they receive ample time to forage for food, and consider high-quality food that enhances their coloration and health, as they benefit from varied diets.

Vaillant's Chocolate Gourami Tank Mates

Ideal companions include similarly sized, peaceful species that occupy different swimming zones, such as small tetras or rasboras. Caution is needed with more boisterous or dominant fish that could provoke aggression. Intraspecies interactions can be harmonious if there are sufficient hiding spots to diffuse tension.

Are Vaillant's Chocolate 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 need for cover and hiding spots, leading to increased stress and aggression. overlooking water parameters, especially pH and temperature, can result in health issues, as they require stable conditions to thrive.

Building a community? Run the full list through the stocking calculator before you add anything else.

Log tests and reminders in App-aquatic—free, same data you see here.