Paradise Fish – Blue

  • Dazzling blue body, thrives in planted tanks (peaceful community fish).
  • Needs hiding spots, males can be territorial (avoid similar fish).
  • Easy care, fun fact: breathes air like a labyrinth fish!
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SKU: 0307

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Paradise Fish – Blue: A Vibrant Addition to Your Aquarium

The Blue Paradise Fish (Macropodus opercularis), also known as the Blue Paradise Gourami, is a stunning freshwater fish that brings a touch of the tropics to your home aquarium. These iridescent fish were some of the first displayed in aquariums in the mid-1800s and remain popular for their beauty and relative ease of care.

General Information

  • Scientific Name: Macropodus opercularis
  • Family: Osphronemidae (Bubble Nest Builders)
  • Origin: Southeast Asia
  • Adult Size: Up to 4 inches (10 cm)
  • Lifespan: 6-8 years

Water Quality

  • Tropical: 61°F to 79°F (16°C to 26°C)
  • Moderately hard water: 5 to 30 dGH
  • Slightly acidic to neutral pH: 5.8 to 8.0


These omnivores will thrive on a varied diet of high-quality flake food, frozen brine shrimp, bloodworms, and occasional live food for breeding.

Tank Mates

Semi-aggressive: While generally peaceful with fish that are not too similar in appearance, they can be territorial towards other gouramis and betta fish. Ideal tank mates include peaceful community fish like Rasboras, Corydoras catfish, and Tetras.

Substrates and Tank Decorations

  • Provide a sandy substrate for bottom dwelling and sifting behaviors.
  • Dense planting with plenty of hiding places like live plants, driftwood, and rocks is essential, especially for females.

Suitable Plants

  • Java Fern
  • Water Sprite
  • Hornwort
  • Anacharis

Sexing & Breeding

  • Males are vibrantly colored with iridescent blue bodies and red fins. Females are paler with shorter fins.
  • Bubble nest builders: Males will construct elaborate bubble nests at the water surface for breeding.

Maximum Size & Longevity

With proper care, Blue Paradise Fish can reach 4 inches (10 cm) in length and live for 6 to 8 years.


  • Active and energetic swimmers that prefer the upper and middle levels of the tank.
  • Males can be territorial towards each other, so keeping only one male per tank is recommended.

Things to Consider Before Buying

  • While relatively easy to care for, their semi-aggressive nature requires careful selection of tank mates.
  • Provide ample hiding spaces for females, especially in tanks with multiple males.

Fun Fact

The Paradise Fish is a labyrinth fish, meaning they have a modified organ that allows them to breathe atmospheric air. This allows them to survive in low-oxygen environments.


Where I am from


Southeast Asia

My behaviour



How do I breed



Can you keep me

Care Level


Potential of Hydrogen

pH Level Aquarium pH measures water acidity/alkalinity. 7 is neutral. Fish have pH preferences; maintain ideal levels for their health and stability.

5.8 – 8.0

General Hardness

GH Level GH (General Hardness) in aquariums measures minerals like calcium and magnesium. It affects fish health by showing water\'s mineral content.

5 – 30 dGH

Carbonate Hardness

KH Level KH (Carbonate Hardness) in an aquarium stabilizes pH. It acts like a shield, keeping the water conditions just right for fish.

Not specified


Temperature Ideal temperature needed for fish

16°C – 26°C

How long will I live

Life Span

6 – 8 Years

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