The Blue Cochu Tetra, also known as the Blue Tetra or Cochu’s Blue Tetra, is a stunning freshwater species famous for its bright electric-blue coloration and lively schooling behavior. Native to the rivers of South America, this small, active tetra adds constant movement and vibrant color to any tropical aquarium.
With their sleek, metallic blue bodies that catch and reflect light beautifully, Blue Cochu Tetras make an eye-catching addition to both minimalist and heavily planted tanks. These tetras are best kept in groups of six or more, which brings out their natural schooling behavior and helps reduce stress.
Scientific Name: Boehlkea fredcochui
Common Names: Blue Cochu Tetra, Blue Tetra, Cochu’s Blue Tetra
Size Shipped: ~0.75–1 inch
Adult Size: ~2 inches
Temperament: Semi-peaceful, active
Lifespan: 3–5 years
Swimming Level: Mid to top water column
Origin: Tank-raised
Temperature: 72°F – 80°F (22°C – 27°C)
pH: 6.0 – 7.5
GH: 4 – 12
KH: 2 – 8
Minimum Tank Size: 20 gallons
Tank Setup: Planted or open tanks with swimming space
Filtration: Moderate flow with clean, well-oxygenated water
✔ Dazzling electric-blue sheen under lighting
✔ Excellent schooling species for community tanks
✔ Active swimmers that liven up the aquarium
✔ Hardy and adaptable to a variety of water conditions
✔ Ideal for planted or aquascaped aquariums
High-quality flakes or micro pellets
Frozen or live foods: brine shrimp, daphnia, bloodworms
Supplement with color-enhancing foods
Feed 1–2 times daily
Blue Cochu Tetras are perfect for aquarists seeking an active, colorful schooling fish that brings life and brilliance to the tank. Whether you're building a vibrant community aquarium or looking to showcase color against a planted background, this shimmering tetra is a showstopper.
The Blue Cochu Tetra, also known as the Blue Tetra or Cochu’s Blue Tetra, is a stunning freshwater species famous for its bright electric-blue coloration and lively schooling behavior. Native to the rivers of South America, this small, active tetra adds constant movement and vibrant color to any tropical aquarium.
With their sleek, metallic blue bodies that catch and reflect light beautifully, Blue Cochu Tetras make an eye-catching addition to both minimalist and heavily planted tanks. These tetras are best kept in groups of six or more, which brings out their natural schooling behavior and helps reduce stress.
Scientific Name: Boehlkea fredcochui
Common Names: Blue Cochu Tetra, Blue Tetra, Cochu’s Blue Tetra
Size Shipped: ~0.75–1 inch
Adult Size: ~2 inches
Temperament: Semi-peaceful, active
Lifespan: 3–5 years
Swimming Level: Mid to top water column
Origin: Tank-raised
Temperature: 72°F – 80°F (22°C – 27°C)
pH: 6.0 – 7.5
GH: 4 – 12
KH: 2 – 8
Minimum Tank Size: 20 gallons
Tank Setup: Planted or open tanks with swimming space
Filtration: Moderate flow with clean, well-oxygenated water
✔ Dazzling electric-blue sheen under lighting
✔ Excellent schooling species for community tanks
✔ Active swimmers that liven up the aquarium
✔ Hardy and adaptable to a variety of water conditions
✔ Ideal for planted or aquascaped aquariums
High-quality flakes or micro pellets
Frozen or live foods: brine shrimp, daphnia, bloodworms
Supplement with color-enhancing foods
Feed 1–2 times daily
Blue Cochu Tetras are perfect for aquarists seeking an active, colorful schooling fish that brings life and brilliance to the tank. Whether you're building a vibrant community aquarium or looking to showcase color against a planted background, this shimmering tetra is a showstopper.
