Blueberry Tetra (Hyphessobrycon wadai)

Blueberry Tetra is a rare and attractive South American tetra that has become increasingly popular among planted-aquarium enthusiasts. It is known for its metallic blue-violet sheen, reddish fins, and peaceful schooling behavior,

• Scientific name: Hyphessobrycon wadai 
• Common name: Blueberry Tetra 
• Origin: Rio Aripuanã region of Brazil, South America
• Adult size: 1.5–2 inches (4–5 cm)
• Temperament: Peaceful, schooling fish 
• Lifespan: Up to about 5 years with good care

Ideal Aquarium Conditions

• Tank size: 15–20 gallons minimum; larger for bigger schools 
• Temperature: 72–80°F (22–27°C)
• pH: 5.5–7.0 (slightly acidic to neutral) 
• Water hardness: Soft to moderately soft water preferred 
• Group size: Keep at least 6–8, though 10+ shows the best schooling behavior and coloration. 

Aquascaping

These fish look best in:

• Heavily planted aquariums
• Dark substrates
• Driftwood and botanicals
• Tannin-stained "blackwater" setups
• Open swimming space in the center of the tank 

Diet

Blueberry Tetras are omnivores and readily accept:

• Quality flakes
• Small pellets
• Frozen daphnia
• Brine shrimp
• Live microfoods for conditioning and breeding 

Compatible Tankmates

Good companions include:

• Corydoras
• Pencilfish
• Small rasboras
• Other peaceful tetras
• Peaceful dwarf cichlids