Add a spectacular touch of natural beauty to your freshwater setup with the magnificent Drapefin Barb (Oreichthys crenuchoides). Also widely known as the Draped Fin Barb, Sailfin Barb, or High Fin Barb, this peaceful nano fish is a true hidden gem in the aquarium hobby. While juveniles arrive with a modest, understated look, mature males transform into jaw-dropping showpieces. As they settle into a planted aquarium, they develop an oversized, sail-shaped yellow dorsal fin that they proudly flaunt in mesmerizing, non-aggressive mating displays. This active yet gentle shoaling fish is the perfect choice for aquascapers and community tank enthusiasts alike.

🌏 Place of Origin

The Drapefin Barb is native to the slow-moving rivers, clear streams, and mud-bottomed tributaries of the Brahmaputra River basin in West Bengal, India, extending close to the Bangladesh border. They are found in pristine, heavily vegetated waters that feature subdued lighting and rich organic cover.

📐 Recommended Tank Size

Because of their diminutive adult size of just 1.0 to 1.8 inches (2.5 to 4.5 cm), a small group of Drapefin Barbs can comfortably thrive in a minimum tank size of 10 to 15 gallons. However, to comfortably house a natural, healthy school alongside ideal tank mates, a 20-gallon long aquarium is highly recommended to provide ample horizontal swimming space.

🌿 Ideal Environment & Tank Setup

Replicating their native habitat will allow your Draped Fin Barbs to truly thrive and showcase their intense yellow hues.

• Substrate: Use a soft sand substrate or very fine gravel. These fish possess highly delicate sensory papillae and tiny barbels on their lower jaws; coarse gravel can damage them as they forage.

• Aquascaping: Densely decorate the tank with live aquarium plants such as Java Fern, Anubias, and Java Moss. Incorporate plenty of natural driftwood branches and leaf litter to establish visual barriers and shady retreats.

• Lighting & Flow: Subdued or moderate lighting is ideal. Utilize floating aquatic plants (like Frogbit or Salvinia) to create a dappled, secure canopy. Keep water filtration efficient but maintain a slow-to-moderate current speed, as they dislike fighting heavy rapids.

• Water Parameters:

  • Temperature: 73°F to 82°F (23°C to 28°C)

  • pH: 6.0 to 7.2 (Prefers soft, slightly acidic water)

  • Hardness: dH up to 12 degrees

🩺 Care & Maintenance

The Drapefin Barb is considered a relatively hardy species once settled, but they are incredibly timid and sensitive to sudden fluctuations in water chemistry. They can be delicate right after shipping, requiring a fully mature, well-oxygenated aquascape. To maintain pristine water quality, perform frequent, small water changes (10-15% weekly)rather than massive, infrequent water drops.

🍽️ Diet & Feeding

In nature, these micro-predators are omnivorous foragers. In the home aquarium, they should be fed a varied diet to maximize health and unlock their best breeding colors. They prefer tiny food items that sink to the middle and lower thirds of the water column. Offer a mix of high-quality micro pellets, crushed tropical flakes, and a rotation of frozen or live foods such as daphnia, baby brine shrimp, cyclops, and micro-worms.

🐠 Compatible Tank Mates

Drapefin Barbs are peaceful, non-aggressive schooling fish that must be kept in groups of at least 6 to 8 individuals(ideally with more females than males). Keeping them in a school significantly reduces stress and coaxes the males into displaying their magnificent sailfins to one another.

• Good Tank Mates: They do wonderfully with other small, gentle nano fish. Excellent choices include Corydoras catfish, Kuhli Loaches, Honey Gouramis, Sparkling Gouramis, Badis, Otocinclus, and small schooling cyprinids like Rasboras or Boraras species.

• Species to Avoid: Never house them with large, predatory fish, or notorious fin-nippers (like Tiger Barbs) that will easily target the male's elongated dorsal fin.

🐟 Breeding the Drapefin Barb

Oreichthys crenuchoides is an egg-scattering, continual spawner. In a densely planted tank with optimal water parameters, small batches of eggs may be laid on an almost daily basis on fine-leaved plants or spawning mops. Because adult fish will readily consume their own eggs and fry, a separate breeding tank is recommended for high success rates.

1. Move a conditioned pair to a small setup filled with Java moss.

2. Once eggs are scattered, return the parents to the main community tank.

3. The miniscule fry hatch in about 72 hours, absorbing their yolk sacs for the first few days.

4. Micro-fry must be fed microscopic live foods like infusoria or paramecium before graduating to live baby brine shrimp.

PLEASE READ BEFORE ORDERING

• The photos shown on fish product pages are representations of adult fish and are NOT the actual fish that you will be receiving. 
• Please visit our “Ordering/Shipping fish” page prior to checking out to familiarize yourself with our process.
• We ship fish exclusively using overnight shipping with either FedEx or UPS. We will not ship fish with lesser expensive shipping services like “Ground” or “Priority Mail”. This is to ensure the safety of the fish. 

• Unless specified, all fish are sold as unsexed.