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Live fish will be delivered only to selected pincodes in Kolkata and nearby areas.

Here is a complete care guide and full profile for the Harlequin Rasbora, a peaceful and vibrant freshwater fish loved for its shimmering color and easygoing nature.


🐟 Harlequin Rasbora – Full Details & Care Guide


βœ… Common Names:

  • Harlequin Rasbora

  • Harlequin Fish

  • Red Rasbora

  • Harlequin


πŸ”¬ Scientific Classification:

Category Details
Scientific Name Trigonostigma heteromorpha
Family Cyprinidae
Order Cypriniformes
Origin Southeast Asia (Thailand, Malaysia, Sumatra, Singapore)

🎨 Appearance:

Feature Description
Body Shape Slender, torpedo-shaped
Color Reddish-orange or pinkish body with a striking black triangular patch from mid-body to tail
Size 1.75 to 2 inches (4.5 – 5 cm)
Lifespan 5 – 8 years with good care
Sexual Dimorphism Females are slightly larger and rounder; males more slender and brighter

🌑️ Water Parameters:

Parameter Ideal Range
Temperature 22 – 27Β°C (72 – 81Β°F)
pH Level 6.0 – 7.5
Hardness 2 – 15 dGH
Water Type Freshwater, slightly acidic to neutral

🏑 Tank Setup:

Feature Recommendations
Minimum Tank Size 10 gallons (best in 20+ for larger groups)
School Size At least 6 (preferably 8–12 for natural behavior)
Substrate Fine gravel or dark sand
Plants Java Fern, Amazon Sword, Anubias, floating plants
Decorations Driftwood, smooth rocks, leaf litter
Lighting Moderate lighting enhances coloration
Filtration Gentle to moderate; sponge or canister filters are ideal
Water Movement Gentle – mimics their natural calm stream habitat

🧠 Temperament & Behavior:

Trait Description
Temperament Peaceful and calm
Schooling Yes – happiest in groups
Swimming Zone Middle to top of the tank
Activity Level Active, synchronized swimmers
Compatibility Excellent for community tanks

🀝 Ideal Tank Mates:

βœ… Good Tank Mates ❌ Avoid These
Neon Tetras, Ember Tetras Large or aggressive cichlids
Corydoras Catfish Tiger Barbs (can nip fins)
Guppies, Mollies Bettas (depends on temperament)
Dwarf Gouramis, Otocinclus Fast, nippy fish
Shrimp (e.g., Amano) Predatory fish

🍽️ Feeding:

Type Examples
Staple Micro pellets, high-quality flakes
Live/Frozen Daphnia, brine shrimp, bloodworms
Veggie Treats Spirulina-based foods
Feeding 1–2 times daily, small portions

🐠 Feed a varied diet to boost their colors and health.


🐣 Breeding Harlequin Rasboras:

Category Description
Spawning Type Egg scatterers
Breeding Tank Soft, acidic water, densely planted
Pairing One male and one female (or small group)
Spawning Behavior Courtship display, upside-down spawning on the underside of leaves
Egg Count 50–100 eggs
Parental Care None – remove adults post-spawning
Hatching Time 24–36 hours
Fry Food Infusoria, then baby brine shrimp

🧼 Care Tips:

  • πŸ’§ Perform weekly water changes (25–30%)

  • 🌿 Use real plants for comfort and breeding

  • πŸ”’ Keep a secure lid – rasboras may jump

  • βœ… Maintain stable water conditions

  • πŸ›‘ Avoid overfeeding – they’re small eaters


🧾 Quick Profile Summary:

Feature Detail
Scientific Name Trigonostigma heteromorpha
Common Name Harlequin Rasbora
Size Up to 2 inches
Temperament Peaceful, schooling
Lifespan 5 – 8 years
Care Level Easy
Swimming Level Mid – top
Best Tank Setup Planted community tank
Diet Omnivorous
Breeding Easy (with setup)

🌟 Highlights:

  • πŸ”Έ Classic community fish perfect for beginners and experts alike

  • πŸ”Έ Known for their striking black triangle marking

  • πŸ”Έ Thrive in peaceful, planted tanks

  • πŸ”Έ Great for aquascapes and nano setups



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To avail free shipping, purchase amount should be Rs350/-(for Aquarium Accessories and Aquatic Plants) or more, less than the above amount shipping charges applicable Rs70/- only. For live fish delivery charges applicable at the time of checkout.

Orders are normally Shipped within 1-2 days and usually take 2-5 working days to be delivered based on your location. However, you will receive an approximate timeline when you place your order.

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