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Giant Gourami (Osphronemus goramy)

Welcome to our detailed exploration of the Giant Gourami, an intriguing and majestic species of freshwater fish. This guide is designed to enlighten aquarists, from novices to experts, about the fascinating world of Giant Gouramis. We’ll take a look at the various aspects of their life, care, and habitat to help you understand and appreciate these magnificent creatures.

Giant Gourami Facts

Scientific Name Osphronemus goramy
Common Names Giant Gourami, Albino Giant Gourami
Native Habitat Southeast Asia (Cambodia, Vietnam, Indonesia, Thailand, Malaysia)
Average Size in Wild Up to 70 cm (28 in)
Life Span Up to 20 years
Diet Omnivorous
Optimal Water Temperature 20°C to 30°C (68°F – 86°F)
pH Level 6.8 to 7.8
Aquarium Size Requirement Minimum 200 gallons
Temperament Generally peaceful
Breeding Bubble nest builders

Giant Gourami Profile

The Giant Gourami, scientifically known as Osphronemus goramy, is a large species of gourami native to Southeast Asia. It’s renowned for its impressive size, often reaching up to 70 cm in length in the wild. These gentle giants are known for their peaceful temperament, making them a favorite among fish enthusiasts. They possess a unique labyrinth organ, enabling them to breathe atmospheric oxygen and survive in low-oxygen environments.

Giant Gourami Coloring

Giant Gouramis exhibit a range of colors, typically varying from silver-grey to a deeper blue-grey. Juveniles often display stripes and spots which may fade as they mature. The color can change based on mood, age, and environmental conditions, adding a dynamic beauty to these creatures.

Giant Gourami Habitat

Giant Gourami fish originate from the slow-moving, warm freshwater rivers, lakes, and swamps of Southeast Asia. Their natural habitat is characterized by abundant vegetation and a rich, diverse ecosystem. These environments provide ample hiding spots and a varied diet, crucial for their well-being. The warm, slightly acidic to neutral water and the presence of both submerged and floating plants mirror their preferred conditions in captivity.

Giant Gourami Aquarium Setup

Creating an ideal habitat for Giant Gouramis in an aquarium is crucial for their health and well-being. This setup guide will help you in constructing a suitable environment for these majestic fish.

  • Tank Size and Dimensions

Albino Giant Gourami require a spacious tank due to their large size. A minimum of 200 gallons is recommended, with larger sizes being even more beneficial. A tank with dimensions that favor length over height is ideal, as it provides more swimming space.

  • Water Conditions

The water in the Giant Gourami’s tank should be kept at a temperature ranging from 20°C to 30°C. The pH level should be maintained between 6.8 and 7.8. Regular water changes and a powerful filtration system are necessary to keep the water clean and oxygen-rich, as Giant Gouramis produce a significant amount of waste.

  • Decoration and Plantation

Decorations are not just aesthetic but also provide hiding spaces for these fish, which is essential for their comfort. The tank should include a mix of real or artificial plants, rocks, and driftwood. However, ensure there is ample open space for swimming. Floating plants can be added to mimic their natural habitat.

  • Lighting and Equipment

Subdued lighting is preferred for albino gouramis to mimic their natural environment. It’s also crucial to have a robust filtration system to handle the bioload of these large fish. An air stone or additional aerator can be beneficial to ensure adequate oxygen levels.

Giant Gourami Breeding

Breeding Giant Gouramis can be a challenging yet fascinating endeavor for aquarists. Understanding the breeding process and creating the right environment are key to successfully breeding these magnificent fish.

Breeding Environment

To encourage breeding, setting up a separate breeding tank is advisable. This tank should be spacious and have a calm environment. A tank size of at least 200 gallons is recommended to provide adequate space for the breeding pair and the subsequent fry. The water temperature should be slightly warmer than the usual, around 28°C to 30°C, with a slightly lower pH near 6.5 to 7.0. Dim lighting and the presence of floating plants can simulate their natural breeding environment. Subdued surroundings help in reducing stress and encouraging the spawning behavior.

Spawning Process

The breeding process begins with the male Giant Gourami fish building a large bubble nest, usually among floating vegetation. Once the nest is ready, the male will court the female by displaying vibrant colors and engaging in a series of swimming patterns. If the female is receptive, she will join the male under the bubble nest. The female releases eggs, which the male then fertilizes. These eggs are lighter than water, so they float up into the bubble nest. The male takes responsibility for guarding the nest and aerating the eggs by regularly passing water over them. After spawning, it’s advisable to remove the female from the tank as males can become aggressive in protecting the nest.

Post-Spawning Care

The eggs usually hatch within 24 to 48 hours. The fry remain in the bubble nest for a few days until they can swim freely. During this time, the male continues to guard and care for the fry. Once the fry starts swimming, it is safe to remove the male to prevent any potential aggression towards the fry. Initial feeding should consist of infusoria or specially formulated fry food until they are large enough to eat crushed flake food or baby brine shrimp.

Giant Gourami Diet & Feeding

Giant Gouramis are omnivores, requiring a balanced diet of plant and animal-based foods. They enjoy a variety of foods, including pellets, vegetables, and live or frozen foods like bloodworms. It’s important to feed them two to three times a day in small amounts to prevent overfeeding and maintain water quality.

Giant Gourami Compatibility

While generally peaceful, the Giant Gourami’s size can be intimidating to smaller fish. They are best kept with similarly sized, non-aggressive species. Albino Gourami is compatible with Angelfish, Neons, Bala Sharks, Danios, Clown Loaches, and Knifefish. It’s important to monitor their interactions, especially in a community tank, to ensure a harmonious environment.

Giant Gourami Common Diseases

Albino Giant Gouramis are susceptible to common freshwater fish diseases, such as Ichthyophthirius multifiliis (Ich), fungal infections, and fin rot. These ailments often stem from poor water quality or stress. Symptoms include white spots, discolored patches, frayed fins, and lethargy. Prompt treatment with appropriate medications and maintaining optimal tank conditions are crucial for recovery and prevention.


The Giant Gourami is a fascinating and rewarding species to keep for the dedicated aquarist. Understanding their needs and behavior is crucial to ensure their well-being in captivity. With proper care and attention, these majestic creatures can be a captivating addition to any large aquarium.