Blueberry Tetra (Hyphessobrycon wadai) – Stunning Violet-Blue Tetra With Peaceful Schooling Behavior
The Blueberry Tetra is a striking and rare species known for its vivid blueberry-blue to violet coloration, especially noticeable under good aquarium lighting. This peaceful schooling fish brings elegance and movement to planted aquariums, making it a favorite among tetra enthusiasts and nano tank keepers.
Native to the Rio Madeira basin, this species thrives in soft, clean water and shows its best colors when kept in groups. Their iridescent blue sheen and subtle red accents make them a standout addition to community aquariums.
Easy to Moderate
Peaceful, schooling
1.1–1.4 inches (adult)
3–6 years with proper care
Omnivorous — accepts high-quality micro pellets, flakes, baby brine shrimp, daphnia, cyclops, and other small frozen/live foods.
A varied diet enhances coloration and activity.
Minimum 15 gallons (groups of 8+ recommended)
Temperature: 74–82°F
pH: 5.8–7.4
Hardness: Soft to moderately soft
Lighting: Moderate
Flow: Gentle
Peaceful and excellent for planted community tanks
Displays best color when kept in groups
Compatible with rasboras, peaceful tetras, dwarf cichlids, Corydoras, otocinclus, shrimp-safe fish, and nano species
Avoid aggressive, nippy, or larger predatory tank mates
Dark substrate and good lighting enhance their purple-blue coloration
Sensitive to sudden changes in water parameters
Ideal species for aquascaped tanks
Provide plenty of plants and shaded areas for comfort
