Updated Ju;y 1, 2019
Author: Mike - FishLore Admin
The Giant Gourami (Osphronemus goramy) is not really recommended for most hobbyists since the majority of home hobbyists don't have aquariums large enough to keep these large gouramis. You're looking at a tank in the several hundreds of gallons at minimum to keep these fish. They can get up to around 27 inches as adults, with the more common sizes around 17 inches or so. They grow fast too.
The Giant Gourami is not a picky eater. It will accept most tropical fish foods including larger pellet based foods as well as crickets, worms, small frogs, smaller fish, etc. They will also eat vegetables like peas which may help with digestive issues.
Giant Gourami Care
Scientific Name : Osphronemus goramy
Common Names : Giant Gourami
Care Level : Easy
Size : to 27 inches (70 cm), common sizes are around 17 inches (45 cm) (ref:fishbase)
Water Parameters : pH 6.5 - 8 | Temperature range 68°F - 86°F (20°C - 30°C)
Lifespan : long lived, 10 plus years
Origin / Habitat : Asia - lives in swamps, lakes, canals and river systems
Temperament / Behavior : May eat smaller fish and may bully other fish and may fight with other giant gourami
Breeding : Bubble nest builder. Male will place eggs into the bubble nest after spawning and guard it until hatching. Female should be removed from the breeding tank after eggs are in the nest. Eggs will hatch within a day or two.
Minimum Tank Size : 200 gallons plus
Tank Mates : Larger fish species or fish big enough not to be harassed or on the menu. Like minded, large bodied fish which means an even larger tank if you want to keep them in with other large species.
Fish Disease : Freshwater Fish Disease
Diet / Foods : An omnivore - they eat smaller fish, insects, worms, frogs, weeds. A larger tropical pellet food can form their primary diet but supplement with live/thawed foods.
Tank Region : Middle region
Gender : Male's dorsal fin is pointed, males may become darker color during spawning
Photo Credit : Photos used with permission from JJPhoto.dk
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Go here: Gourami Forum