Giant Gourami Facts, Diet, Characteristics, Behavior, Breeding

Get all information related to the Giant Gourami. You can check the characteristics, habitat, behavior, diet, and facts of this species here. This is the largest fish from all gourami species that are kept in tanks. These are able to grow up to 60 cm long in wild. The species is also known as the Common Gourami or True Gourami. The species has been used for weed control, as it can be the voracious herbivore. Scroll this page down to collect more information about this species.

Giant Gourami

Giant gourami is a species of large gourami native to Southeast Asia with its occurrence in other locations due to introductions. The species is native to Chao Phraya and Mekong basin in mainland Southeast Asia, and also rivers of Java, Borneo, and Sumatra. The species is commercially farmed as the food fish. It is also found for the aquarium trade. The species has also been used for the weed control as it is a voracious herbivore. This grows larger in wild as compared to captivity.

Giant Gourami Characteristics

The fish has a wide and flat body. Its standard length is twice larger than its body height. The total length of this species including its tail can reach 70 cm but as a rule of tanks, it’s not larger than 45 cm long. The young fish has pointed snout and about 8-10 stripes on its body. As the fish grows its coloring gets paler and the head becomes disproportionately large and nuchal hump appears on its head.

The fish has abdominal fins which have the coarse spine and 5 soft rays, the first of which has transformed into a long pliant string that acts as a tactile organ. The dorsal has 11-14 coarse rays and 12-14 soft ones while the anal fin has an 11-10 coarse and 20-23 soft rays. The color of the fish varies from pale to golden yellow with a silvery touch and transverse light-blue stripes on its body. The Adult giant gourami coloring gets paler in time and it becomes completely white, rosy or gray at the end.

Scientific Name

Osphronemus goramy

Common Name

True Gourami


Up to 70 cm


Approx 20 years





Giant Gourami Habitat

The gouramis initially used to dwell in the Greater Sunda Islands, but nowadays the fish is bred for sale in the various Asian Countries and in Australia as well. The fish is bred in many countries including Australia. The fish has the high significance in this respect. The fish is considered as tasty and has large bones. The fish dwells in large rivers with slow flow, lakes, and bogs including those with brackish water in the wild. The fish species prefer shallow waters with lots of water plants.

The fish can breathe with humid air and can survive without water for rather a long period of time. The fish is an active plant feeder it is used to fight against weed plants in the ponds or lakes. They mainly inhabit lowlands medium to large rivers as well as lakes. They will enter flooded forests during the wet season. They have even been found in brackish water. Their habitats are heavily vegetated and they are opportunistic feeders that will consume both plant and animal matter.

Giant Gourami Diet

The fish is omnivorous and eats all types of food. The feeder should know about the proper amount of food that required by the fish. This is a large fish and it requires corresponding amounts of food. There is a peculiarity. The young fish is able to eat that you offer in the diet. This gourami tends toward herbivory, preferring algae-based foods, but will eat meaty foods. The fish also eat amphibians and sometimes dead animals as well in wild.

An algae-based flake food, along with freeze-dried bloodworms, tubifex, and brine shrimp, provides these fish with the proper nutrition while young. They can be fed legumes, partially or fully cooked fibrous or starchy vegetables, or fruits. This fish is not a picky eater. It will accept most tropical fish foods including larger pellet based foods as well as sometimes worms, crickets, small fish etc. They also eat vegetables like peas which helps them with digestive problems.

Interesting facts of Giant Gourami

  •  This gourami fish requires less level of care as compared to others.
  • The average size of the fish is ranging from 17-27 inches.
  • The temperature level of the water should be between 68-86 degrees Fahrenheit.
  • These fish generally lives for more than 10 years.
  • The fish is considered as the omnivore species.
  • The fish require usually large tank for the environment.
  • The male fish has a high forehead, sharpened dorsal and darker body coloring that becomes almost black during the spawning period.

Giant Gourami behavior

The juveniles may show aggression while the adult gouramis are very calm and quiet fish and due to this they are very often used for displaying in large exhibition tanks. The fish mostly prefer to be alone in the tank but they become peaceful as they grow up. However, the adult males still can demonstrate aggression towards their rivals. The fish size and habits allow it to feed on small fishes. This fish can be kept with large cichlids or catfishes.

Giant Gourami Breeding

This is an egg laying fish. The male builds the nest from bubbles, water plants and plants rubbish before spawning. The male takes almost 8-10 days to build the nests for eggs. The eggs are kept inside the nest attached to water plants in it. The larvae hatched within 24 hours. The fish guards the spawned eggs and juveniles some times after the spawning is over. It is quite hard to obtain giant gourami juveniles at home aquarium due to the tank size requirements.

Thanks for visiting us. We hope that you like the information given on this web page. If you have any different information related to this species then you can comment down. Also, you can share your opinion or suggestions related Giant Gourami in the comment section.

Check out more information about Fish Species