Buy Phoenix Rasbora (Boraras merah) Online in Canada
Looking to add intense ruby-red color and active schooling energy to your nano setup? Monster Aquarium Canada is proud to offer healthy Phoenix Rasboras (Boraras merah). Native to the soft, acidic peat swamp streams of Southern Borneo, Indonesia, these jewel-like micro fish feature a brilliant fiery-red body accented by a distinct dark oval spot along their side. They are an absolute favorite for planted tanks and aquascaping enthusiasts across Canada.
Why Choose Phoenix Rasboras for Your Nano Aquarium?
Despite their tiny footprint, Phoenix Rasboras create a massive visual impact when kept in active, tight-knit schools. Browse our full collection of live exotic livestock to discover compatible micro species for your aquarium.
Fiery Red Coloration & Ultra-Compact Size
Reaching an adult size of just 0.6 to 0.8 inches (1.5 to 2 cm), Phoenix Rasboras are one of the smallest freshwater fish in the aquarium hobby. When housed in a well-established planted setup, dominant males display a glowing crimson hue that contrasts dramatically against bright green aquatic plants and dark substrate.
Peaceful Behavior & Shrimp-Safe Tankmates
Phoenix Rasboras are exceptionally peaceful, micro-predatory schooling fish. Due to their tiny mouths, they are 100% safe to keep alongside Neocaridina and Caridina dwarf shrimp, chili rasboras, pygmy corydoras, and small freshwater snails.
Care Guide & Optimal Tank Parameters
To display their brightest red tones and maintain high vitality, replicate their natural soft-water peat swamp habitat. Upgrade your tank setup with our high-performance canister filters and water treatments.
Tank Setup & Water Quality
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Minimum Tank Size: 5 to 10 Gallons (larger volumes allow for bigger, more confident schools)
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Temperature: 73°F – 82°F (23°C – 28°C)
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pH Range: 5.0 – 6.8 (Soft, slightly acidic water brings out peak coloration)
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Aquarium Decor: Densely planted aquascapes, floating plants, driftwood, leaf litter, and gentle filter flow.
Specialized Micro Diet & Feeding
Phoenix Rasboras have extremely small throats and require micro-sized foods. Feed a varied diet of high-quality crushed micro-pellets, spirulina powder, baby brine shrimp, cyclops, and daphnia from our aquarium food catalog.
Frequently Asked Questions (FAQs)
How big do Phoenix Rasboras grow?
Phoenix Rasboras are true micro fish, reaching a maximum adult length of 0.6 to 0.8 inches.
How many Phoenix Rasboras should be kept together?
Because they are naturally shy, they should be kept in schools of at least 8 to 12 individuals. Larger groups encourage natural shoaling behavior and keep them swimming confidently in open areas.
What is the difference between Phoenix Rasboras and Chili Rasboras?
While closely related, Phoenix Rasboras (Boraras merah) feature a smaller, rounder dark spot surrounded by bright red highlights, whereas Chili Rasboras (Boraras brigittae) feature a solid dark stripe running along their body.
How do you ship delicate nano fish across Canada?
At Monster Aquarium Canada, all livestock is packed in insulated containers with temperature-controlled heat or ice packs depending on the weather. Every shipment is sent via overnight express delivery backed by our 100% Live Arrival Guarantee.
What is the average lifespan of a Phoenix Rasbora?
In stable water parameters with low nitrate levels and high-quality micro nutrition, Phoenix Rasboras typically live between 3 to 5 years in home aquariums.




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