Peruvian Blue Tetra

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🔥 Peruvian Blue Tetra (Boehlkea fredcochui)

Add a flash of electric colour to your aquarium with the vibrant Peruvian Blue Tetra. Known for its intense iridescent blue sheen, this active schooling fish creates a striking contrast against plants and darker substrates.

Peruvian Blue Tetras are energetic and constantly on the move, making them ideal for aquarists looking to add life, colour, and activity to a community aquarium.

🌿 Why Choose Peruvian Blue Tetra?

💙 Bright electric blue iridescent colouration
🐠 Active and lively schooling fish
🌱 Perfect contrast in planted aquariums
🧘 Peaceful but energetic temperament
⭐ Popular choice for adding movement and colour

In groups, Peruvian Blue Tetras produce a shimmering blue effect as they dart through the aquarium, making them a real focal point.

📏 Care Requirements

🧬 Scientific Name: Boehlkea fredcochui
📛 Common Name: Peruvian Blue Tetra
🏠 Tank Size: 75L+ recommended
🌡️ Temperature: 24–28°C
⚗️ pH Range: 6.0–7.5
🧘 Temperament: Peaceful (can be slightly boisterous)
🍽️ Diet: Flakes, micro pellets, frozen & live foods
👥 Group Size: 6–8+ recommended

Peruvian Blue Tetras do best in aquariums with open swimming space and some planted areas. Good water quality and gentle flow help maintain their colour and activity levels.

🐠 Compatibility

Best suited to active community aquariums. They mix well with other robust peaceful fish such as larger tetras, rasboras, barbs, and bottom dwellers like Corydoras. Avoid very timid or slow-moving species, as their energetic nature may cause stress.

Important Notes

Peruvian Blue Tetras are more active than many other tetra species and can occasionally nip fins if kept in small groups. Keeping them in larger shoals helps reduce this behaviour and encourages natural schooling.

The Peruvian Blue Tetra is an excellent choice for UK aquarists seeking a bold, colourful, and active fish that brings energy and shimmer to community aquariums.