Blueberry Tetra – Stunning Blue-Purple Freshwater Aquarium Fish
The Blueberry Tetra (Hyphessobrycon wadai) is a remarkable South American freshwater fish admired for its vibrant blue-purple body coloration, brilliant red-orange fins, and elegant swimming behaviour.
Native to the upper Rio Tapajós Basin in Brazil, this distinctive tetra displays beautiful metallic blue and violet tones that contrast dramatically with its bright reddish fins.
Mature males can develop especially intense coloration, creating an eye-catching display in a well-maintained freshwater aquarium.
Blueberry Tetras are social fish best maintained in groups, where their graceful movement and attractive colour variations can be fully appreciated.
Their relatively small adult size makes them suitable for planted community aquariums with adequate swimming space, stable water conditions, and peaceful tankmates.
A natural aquascape featuring lush aquatic plants, sandy substrate, and carefully arranged driftwood provides an attractive setting for these colourful fish.
With their extraordinary coloration and uncommon appearance, Blueberry Tetras are an excellent choice for aquarists seeking something distinctive for their freshwater collection.
The species' blue-purple body and red fins are documented in its original scientific description.
Care Guide
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Parameter
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Details
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Scientific Name
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Hyphessobrycon wadai
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Common Name
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Blueberry Tetra
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Origin
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Upper Rio Tapajós Basin, Brazil
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Adult Size
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Approximately 3.5–4 cm
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Temperature
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23–27°C
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pH
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6.0–7.5
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Water Hardness
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Approximately 2–12 dGH
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Recommended Tank Size
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75 L+
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Recommended Tank Length
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60 cm+
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Diet
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Omnivore
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Temperament
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Generally peaceful
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Care Level
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Intermediate
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Group Size
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8–10+ recommended
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Lifespan
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Approximately 3–5 years, estimated
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Swimming Level
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Middle
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Water Flow
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Moderate, with sheltered areas
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Aquarium Type
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Planted Aquarium / South American Community
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Special Requirements
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Stable water, good oxygenation, group housing
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