Pet Health

Moonlight Gourami (Moonbeam Gourami) Fish Species Profile

Discover the enchanting Moonlight Gourami, also known as the Moonbeam Gourami! Uncover key care tips, habitat preferences, and fascinating traits of this stunning fish.
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Beautiful Moonlight Gourami swimming gracefully among aquatic plants in a well-maintained home aquarium habitat.

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If you're considering adding a Moonlight Gourami (also known as Moonbeam Gourami) to your aquarium, you're likely drawn to their serene beauty and peaceful demeanor. But as with any pet, these fish require specific care to thrive. Whether you're a first-time fish owner or an experienced aquarist, understanding their needs is key to providing a healthy, stress-free environment for your aquatic friend.

🩺 Vet Recommendations

Moonlight Gouramis (Trichopodus microlepis) are freshwater fish known for their shimmering, silvery appearance and tranquil nature. They are part of the gourami family, which includes many popular aquarium species. Native to Southeast Asia, they inhabit slow-moving rivers, swamps, and flooded fields. Mimicking their natural habitat is essential for their well-being.

Here are some key facts about Moonlight Gouramis:

  • Average size: 4–6 inches
  • Lifespan: 4–6 years with proper care
  • Temperament: Peaceful and shy
  • Water type: Freshwater with slightly acidic to neutral pH
  • Diet: Omnivorous

Providing an environment that meets their physical and behavioral needs can help them live a long, healthy life.

📋 Care Tips

Caring for Moonlight Gouramis involves more than just filling a tank with water. These fish have specific requirements for their environment, diet, and tank mates. Below are some practical tips to help you create the ideal conditions for your gouramis.

Tank Setup

  • Tank size: At least 20 gallons for a single gourami, with an additional 10 gallons per additional fish.
  • Water temperature: Maintain between 77–82°F (25–28°C).
  • pH level: Keep the water slightly acidic to neutral, ideally between 6.0 and 7.0.
  • Filtration: Use a gentle filter to avoid strong currents, as Moonlight Gouramis prefer calm waters.
  • Plants and hiding spots: Include live plants, driftwood, and caves to mimic their natural habitat and provide hiding spaces.

Regular water changes (about 25% weekly) are essential to maintain water quality and reduce stress on your fish.

Diet and Nutrition

Moonlight Gouramis are omnivorous, meaning they eat both plant- and animal-based foods. A varied diet ensures they get all the nutrients they need. Here’s what to feed them:

  • High-quality flake or pellet food as a staple diet
  • Live or frozen foods like brine shrimp, bloodworms, and daphnia
  • Blanched vegetables like zucchini or spinach as occasional treats

Feed them small amounts once or twice a day, and remove any uneaten food to prevent water contamination.

Tank Mates

Moonlight Gouramis are peaceful fish but can be shy, especially when housed with aggressive or overly active species. Suitable tank mates include:

  • Tetras
  • Rasboras
  • Corydoras catfish
  • Kuhli loaches

Avoid keeping them with fin-nipping species or other aggressive fish, as this can lead to stress and injury.

✅ Do’s and Don’ts

When caring for Moonlight Gouramis, a few best practices and common mistakes can make all the difference. Here’s a quick guide:

Do:

  • Maintain consistent water parameters to avoid stress.
  • Provide plenty of hiding spots to help them feel secure.
  • Observe their behavior daily to catch any signs of illness early.

Don’t:

  • Overcrowd the tank, as this can lead to aggression and poor water quality.
  • Introduce aggressive fish that may bully or harm your gouramis.
  • Overfeed, as uneaten food can degrade water quality and harm your fish.

By following these guidelines, you can create a safe and comfortable environment for your Moonlight Gouramis.

💡 Expert Advice

Moonlight Gouramis are a rewarding addition to any freshwater aquarium, but they do require careful attention to their habitat, diet, and tank mates. Investing time in setting up the right environment and observing their behavior regularly can help prevent common issues like stress and illness.

If you notice signs of illness such as lethargy, loss of appetite, or unusual swimming patterns, consult a veterinarian who specializes in aquatic animals. Early intervention can make a significant difference in their recovery.

FAQs

Q: Can Moonlight Gouramis live with other gourami species?
A: While Moonlight Gouramis are generally peaceful, housing them with other gourami species can sometimes lead to territorial disputes. If you want to keep multiple gouramis, ensure the tank is large enough with plenty of hiding spots.

Q: How often should I clean my Moonlight Gourami’s tank?
A: Perform partial water changes (about 25%) weekly and clean the tank decorations and substrate as needed to maintain water quality. Avoid drastic changes in water parameters to prevent stress.

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References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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