Description
Black Giant Gourami (Osphronemus goramy)
📌 Basic Info
Scientific Name: Osphronemus goramy (Black variant)
Family: Osphronemidae
Origin: Southeast Asia
Size: 12 – 18 inches (30 – 45 cm)
Lifespan: 15 – 20 years
Tank Zone: Mid to top-water
🌊 Water Parameters
TDS: 150 – 300 ppm
pH: 6.5 – 7.5
Temperature: 24 – 30°C (75 – 86°F)
Hardness: 5 – 15 dGH
🐟 Characteristics
Dark gray to black body; slow-growing and long-lived.
Peaceful but territorial toward same species; thrives in large aquariums.
Strong mid-water swimmer; needs open swimming areas.
Hardy and adaptable, but water quality must be stable.
🍽️ Food
Omnivorous: flake food, pellets, live/frozen protein foods, plant matter like spinach or lettuce.
Feed 2–3 times daily; adult fish require larger portions.
🛠️ Tank Setup & Maintenance
Minimum 250 gallons for adult.
Strong filtration to handle bio-load.
Open swimming space; avoid sharp decorations.
Water changes: 25–30% weekly.
👥 Social Behavior
Territorial with other Black Giant Gouramis; best kept singly or with adequate space.
Compatible with other large, peaceful species.
✅ Do’s
Provide a very large tank with open areas.
Maintain clean water and stable parameters.
Offer both animal and plant-based foods.
❌ Don’ts
Don’t keep in small aquariums.
Avoid overly aggressive species.
Don’t overcrowd; adult fish grow very large.
⭐ Quick Tips
Black Giant Gourami is a majestic centerpiece fish.
Hardy, peaceful, and long-lived.
Best kept with other large, non-aggressive fish.






