Harlequin Rasbora

  • Harlequin Rasbora: Graceful and enchanting fish with a striking appearance.
  • Peaceful tank mates: Prefer the company of their own kind and other peaceful community fish.
  • Playful and social: Known for their lively schooling behavior, adding elegance to your aquarium.
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SKU: 0803

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27 in stock

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27 in stock

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Introduction: Introducing the Harlequin Rasbora, an enchanting and graceful fish that will add a touch of elegance to your aquarium. With their striking appearance and peaceful nature, Harlequin Rasboras are a beloved choice among aquarists. Let’s delve into the captivating features and care guidelines of the Harlequin Rasbora.

Scientific Name: Scientifically known as Trigonostigma heteromorpha, the Harlequin Rasbora belongs to the Cyprinidae family and hails from Southeast Asia.

Water Quality: Maintaining optimal water conditions is crucial for the well-being of your Harlequin Rasbora. Here are the key water parameters:

  • Temperature: Keep the water temperature between 72°F and 79°F (22°C to 26°C) for optimal comfort.
  • pH Level: Maintain the pH level between 6.0 and 7.5 for slightly acidic to neutral conditions.
  • GH Level: Aim for a general hardness (GH) of 5 to 12 dGH to provide essential minerals.
  • KH Level: Keep the carbonate hardness (KH) between 2 and 8 dKH to ensure pH stability.

Feeding: Harlequin Rasboras are omnivorous and have hearty appetites. Offer them high-quality flake food, pellets, and supplement with live or frozen foods like brine shrimp, daphnia, and bloodworms for optimum health and coloration.

Tank Mates: Harlequin Rasboras are peaceful and prefer the company of their own kind. Suitable tank mates include other peaceful community fish like tetras, dwarf cichlids, and peaceful barbs.

Substrates and Tank Decorations: Provide a soft sandy or fine-grain substrate to mimic their natural habitat. Harlequin Rasboras thrive in a well-planted aquarium with ample swimming space and hiding spots.

Suitable Plants: Harlequin Rasboras appreciate densely planted tanks with plenty of hiding spots. Consider adding plants like Java Fern, Amazon Sword, and Cryptocoryne for a lush environment.

Sexing: Sexing Harlequin Rasboras can be challenging, but males may appear slimmer and more colorful than females.

Breeding: Breeding Harlequin Rasboras in a home aquarium is possible with proper conditions and ample hiding spots for the fry.

Maximum Size and Longevity: As they mature, Harlequin Rasboras can reach a maximum size of about 2 inches (5 cm) in length. With proper care, they can live for up to 5 to 8 years, providing you with lasting beauty.

General Information: Harlequin Rasboras are named for their striking color pattern, resembling a harlequin’s costume with a bold black wedge shape on their bodies.

A Fun Fact: Harlequin Rasboras are renowned for their playful and social nature, often seen darting and schooling gracefully through the aquarium.

Embrace the elegance and charm of the Harlequin Rasbora. Their captivating appearance, peaceful demeanor, and graceful movements will undoubtedly make them the shimmering jewels of your aquatic world!


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