Giant Red Kaloi Gourami (Osphronemus septemfasciatus)
Giant Red Kaloi Gourami — Osphronemus septemfasciatus
Mass, color, and intelligence in one Southeast Asian giant
The Giant Red Kaloi Gourami also known as the Borneo Gourami is a true freshwater heavyweight — thick-bodied, broad-headed, and built to dominate space through confidence rather than chaos. This red Kaloi strain intensifies the natural coloration of Osphronemus septemfasciatus, developing deep ruby and wine-red tones layered over a muscular golden-bronze frame. As adults mature, the body thickens dramatically and the color saturates, creating a fish that looks powerful even at rest.
Native to large rivers and floodplain systems of Southeast Asia, giant gouramis are deliberate cruisers. They don’t dart — they patrol. Highly intelligent and aware, they quickly recognize their keeper and often approach the glass at feeding time. Their calm dominance makes them a commanding centerpiece without constant aggression.
Growing to 20–28+ inches, this species is a long-term commitment best suited for serious large-tank or indoor pond setups.
Aquarium Setup
-
Minimum Tank Size: 300 gallons (larger strongly recommended for adults)
-
Substrate: Sand or smooth gravel
-
Flow: Low to moderate
-
Décor: Open swimming space with sturdy wood or rock along the perimeter
-
Lighting: Moderate (enhances red coloration)
-
Cover: Tight-fitting lid required
-
Filtration: Oversized filtration — heavy waste producer
Tank Mates
Best housed with large, confident species:
-
Large catfish
-
Silver Dollars
-
Datnoids
-
Large peaceful cichlids
-
Some arowana (space dependent)
Avoid small fish (will be eaten) and hyper-aggressive species that may provoke territorial behavior.
Water Parameters
-
Temperature: 75–84°F (24–29°C)
-
pH: 6.0–7.5
-
Hardness: Soft to medium
-
Oxygen: Moderate to high
-
Water Quality: Stable, clean conditions are critical
Diet
Omnivorous with strong appetite:
-
High-quality large pellets
-
Shrimp, worms, and protein-based foods
-
Leafy greens (lettuce, spinach)
-
Occasional fruit
Giant Red Kaloi Gourami — Osphronemus septemfasciatus
Mass, color, and intelligence in one Southeast Asian giant
The Giant Red Kaloi Gourami also known as the Borneo Gourami is a true freshwater heavyweight — thick-bodied, broad-headed, and built to dominate space through confidence rather than chaos. This red Kaloi strain intensifies the natural coloration of Osphronemus septemfasciatus, developing deep ruby and wine-red tones layered over a muscular golden-bronze frame. As adults mature, the body thickens dramatically and the color saturates, creating a fish that looks powerful even at rest.
Native to large rivers and floodplain systems of Southeast Asia, giant gouramis are deliberate cruisers. They don’t dart — they patrol. Highly intelligent and aware, they quickly recognize their keeper and often approach the glass at feeding time. Their calm dominance makes them a commanding centerpiece without constant aggression.
Growing to 20–28+ inches, this species is a long-term commitment best suited for serious large-tank or indoor pond setups.
Aquarium Setup
-
Minimum Tank Size: 300 gallons (larger strongly recommended for adults)
-
Substrate: Sand or smooth gravel
-
Flow: Low to moderate
-
Décor: Open swimming space with sturdy wood or rock along the perimeter
-
Lighting: Moderate (enhances red coloration)
-
Cover: Tight-fitting lid required
-
Filtration: Oversized filtration — heavy waste producer
Tank Mates
Best housed with large, confident species:
-
Large catfish
-
Silver Dollars
-
Datnoids
-
Large peaceful cichlids
-
Some arowana (space dependent)
Avoid small fish (will be eaten) and hyper-aggressive species that may provoke territorial behavior.
Water Parameters
-
Temperature: 75–84°F (24–29°C)
-
pH: 6.0–7.5
-
Hardness: Soft to medium
-
Oxygen: Moderate to high
-
Water Quality: Stable, clean conditions are critical
Diet
Omnivorous with strong appetite:
-
High-quality large pellets
-
Shrimp, worms, and protein-based foods
-
Leafy greens (lettuce, spinach)
-
Occasional fruit
Original: $550.00
-65%$550.00
$192.50Description
Giant Red Kaloi Gourami — Osphronemus septemfasciatus
Mass, color, and intelligence in one Southeast Asian giant
The Giant Red Kaloi Gourami also known as the Borneo Gourami is a true freshwater heavyweight — thick-bodied, broad-headed, and built to dominate space through confidence rather than chaos. This red Kaloi strain intensifies the natural coloration of Osphronemus septemfasciatus, developing deep ruby and wine-red tones layered over a muscular golden-bronze frame. As adults mature, the body thickens dramatically and the color saturates, creating a fish that looks powerful even at rest.
Native to large rivers and floodplain systems of Southeast Asia, giant gouramis are deliberate cruisers. They don’t dart — they patrol. Highly intelligent and aware, they quickly recognize their keeper and often approach the glass at feeding time. Their calm dominance makes them a commanding centerpiece without constant aggression.
Growing to 20–28+ inches, this species is a long-term commitment best suited for serious large-tank or indoor pond setups.
Aquarium Setup
-
Minimum Tank Size: 300 gallons (larger strongly recommended for adults)
-
Substrate: Sand or smooth gravel
-
Flow: Low to moderate
-
Décor: Open swimming space with sturdy wood or rock along the perimeter
-
Lighting: Moderate (enhances red coloration)
-
Cover: Tight-fitting lid required
-
Filtration: Oversized filtration — heavy waste producer
Tank Mates
Best housed with large, confident species:
-
Large catfish
-
Silver Dollars
-
Datnoids
-
Large peaceful cichlids
-
Some arowana (space dependent)
Avoid small fish (will be eaten) and hyper-aggressive species that may provoke territorial behavior.
Water Parameters
-
Temperature: 75–84°F (24–29°C)
-
pH: 6.0–7.5
-
Hardness: Soft to medium
-
Oxygen: Moderate to high
-
Water Quality: Stable, clean conditions are critical
Diet
Omnivorous with strong appetite:
-
High-quality large pellets
-
Shrimp, worms, and protein-based foods
-
Leafy greens (lettuce, spinach)
-
Occasional fruit
