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Top Fin Aquatics

Gold Head Purple Harlequin

Gold Head Purple Harlequin

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Overview of Gold Head Purple Rasbora (Trigonostigma heteromorpha)

Common Names: Gold Head Purple Rasbora, Gold Headed Purple Harlequin Rasbora

Scientific Name: Trigonostigma heteromorpha

Native Location: Malaysia

Climate: Tropical

Size: 4.5 cm (1.8 inches)

Temperament: Peaceful

Diet: Omnivore

Breeding: Moderate

Temperature Range: 21-28°C (70-82°F)

Preferred pH Range: 5.0 - 7.5

Minimum Aquarium Size: 60 cm x 30 cm (for a group of 6-8 fish)

Potential Tankmates: Tetras, Guppies, Apistogramma, Kuhli loaches

Care Level: Easy


The Gold Head Purple Rasbora is a purpose-bred strain of the Harlequin Rasbora, featuring a striking purple body with a metallic gold head. These small, peaceful fish are ideal for community tanks and thrive in a well-planted environment that mimics their natural habitat.

Physical Characteristics

These rasboras have a unique appearance with a purple tone to their body and a metallic gold head. Males tend to be slimmer and more colorful, while females are generally larger and rounder.

Behavior and Compatibility

Gold Head Purple Rasboras are peaceful and social fish that do best in groups. Keeping them in schools of 6-8 or more helps reduce stress and encourages natural behavior. They are compatible with other peaceful fish such as Tetras, Guppies, Apistogramma, and Kuhli loaches.

Diet and Feeding

These rasboras are omnivorous and not fussy eaters. In the wild, they are micro predators with a preference for high-protein diets. In the aquarium, they should be fed a balanced variety of live, frozen, and dry foods. Daphnia and brine shrimp are excellent live food choices.

Tank Setup and Care

  • Tank Size: A minimum of 60 cm x 30 cm is recommended for a group of 6-8 fish.
  • Water Conditions: They prefer temperatures between 21-28°C (70-82°F) and a pH range of 5.0 - 7.5.
  • Substrate and Decorations: Mimic their natural habitat with leaf litter, twigs, and botanicals, which release tannins and create slightly acidic, tinted water. Aquatic plants such as Cryptocoryne species provide ample hiding spaces and a natural display.


Breeding Gold Head Purple Rasboras is moderately challenging but can be successful with proper conditions:

  1. Breeding Tank: Set up a dedicated breeding tank with plenty of plants, especially wide-leafed species like Cryptocoryne.
  2. Spawning Behavior: Unlike many other fish, these rasboras do not scatter their eggs. They attach fertilized eggs to the underside of plant leaves.
  3. Sexing: Females are larger and rounder, while males are more slender.
  4. Breeding Process: Introduce a small group of fish into the breeding tank. Once eggs are attached to plant leaves, remove the adults to prevent them from eating the eggs.
  5. Fry Care: Maintain stable water parameters and provide appropriate food for the fry as they grow.

What We Like About This Fish

  • Unique coloration with a striking gold head and purple body
  • Peaceful nature, ideal for community tanks
  • Easy to care for, suitable for both beginners and experienced aquarists
  • Thrives in well-planted tanks that mimic their natural habitat


Gold Head Purple Rasboras are an excellent choice for aquarists looking to add a splash of color and peaceful activity to their aquarium. Their unique appearance, ease of care, and compatibility with other peaceful species make them a wonderful addition to both beginner and experienced setups. Providing them with a natural, planted environment and a varied diet will ensure they thrive and display their best colors.


*Sample Photo is for reference only. Exact fish will vary in size and colour*

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