Phoenix Rasbora (Boraras merah)
£4.00
Phoenix Rasbora (Boraras merah)
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Description
Phoenix Rasbora (Boraras merah):
Species Overview & Care Guide:
The Phoenix Rasbora, scientifically known as Boraras merah, is a breathtaking, ultra-nano freshwater fish native to the blackwater swamps and streams of Southern Borneo, Indonesia. Often sought after by aquascapers and nano-tank enthusiasts, this species is highly prized for its striking fiery-red coloration, miniature size, and peaceful demeanor.
Species Quick Facts
| Parameter | Specification |
| Scientific Name | Boraras merah |
| Common Names | Phoenix Rasbora, Merah Rasbora |
| Adult Size | 1.5 – 2.0 cm (0.6 – 0.8 inches) |
| Temperament | Peaceful, timid, schooling fish |
| Lifespan | 3 – 5 years with optimal care |
| Minimum Tank Size | 20 to 40 Litres (approx. 5–10 Gallons) |
Ideal Water Parameters
In the wild, Boraras merah inhabits sluggish, tannin-rich blackwater streams. They are sensitive to poor water quality, so a mature, well-cycled aquarium is mandatory.
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Temperature: 68F to 82F (20C to 28C)
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pH Range: 4.5 – 6.5 (Strictly prefers acidic, soft water)
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Water Hardness: 1 – 5 dGH
Tank Setup & Habitat Mimicry
Visual Distinction: Boraras merah is frequently confused with its close relative, Boraras brigittae (Chili Rasbora). While the Chili Rasbora has a solid, continuous dark stripe down its side, the Phoenix Rasbora (merah) features a broken, blotchy dark stripe surrounded by a vibrant orange-red halo.
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The Power of Tannins: To bring out their deepest fiery reds, introduce dried Indian Almond Leaves (Catappa leaves), alder cones, or driftwood. These release beneficial tannins that naturally lower pH and tint the water a tea-color, making the fish feel secure.
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Schooling Behavior: These are tight schooling fish that feel stress in small numbers. Keep them in a group of at least 8 to 10 individuals (15+ is ideal) to witness their natural behaviors and vibrant coloration.
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Aquascaping: Use dense live plants like Java Moss, Anubias, and Cryptocorynes, alongside floating plants (like Frogbit or Salvinia) to diffuse bright aquarium lighting, which can otherwise make them timid.
Diet & Feeding
Because of their minuscule size, Boraras merah are micropredators requiring microscopic foods. Their diet should be varied to enhance their coloration:
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Prepared Foods: High-quality micro-pellets or crushed flakes rich in carotenoids (color enhancers).
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Live & Frozen Foods: Baby brine shrimp (Artemia nauplii), Daphnia, Moina, Cyclops, and banana worms.
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Feeding Schedule: Feed small amounts once or twice daily. Ensure food particles are small enough to fit into their tiny mouths.
Tank Mates & Compatibility
Due to their fragile size, they should never be housed with larger, boisterous, or predatory fish.
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Excellent Companions: Other micro-rasboras, Neon/Ember Tetras, Pygmy Corydoras, Otocinclus Catfish, and peaceful Kuhli Loaches.
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Shrimp Safe: They are among the safest fish to keep with Neocaridina (Cherry Shrimp) and Caridina shrimp. While they might opportunistically eat a brand-new shrimplet, they are generally too small to do any harm to the colony.
⚠️ Warning
Like most nano fish, Phoenix Rasboras are agile jumpers when startled. Always secure your aquarium with a tight-fitting lid or a fine mesh cover.
Convenient nationwide delivery; you’re only a click away!
Our nationwide delivery service makes it easy to receive your fish directly at your door, anywhere in the UK, for a flat rate of just £30. This convenient service allows you to order up to 10kg of fish, with the assurance that they will arrive in excellent condition. To make the fishes journey as comfortable as possible we use Oxygen in the fish bags and heat packs in all the boxes of fish we send out.
Our delivery days are as follows:
Please put your desired delivery day in the Order Notes on the Checkout page.
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