Red Blue Colombian Tetra - 3cm (Hyphessobrycon columbianus) (Live Fish)

Red Blue Colombian Tetras are vibrant, schooling fish admired for their striking combination of deep red and iridescent blue coloration along their sleek bodies. Their bold, contrasting colors and active swimming make them an eye-catching addition to planted and community aquariums, where their dynamic presence enlivens the tank.

Common names: Red Blue Colombian Tetra, Blue-Red Colombian Tetra, Colombian Tetra, Red Fin Colombian Tetra
Scientific name: Hyphessobrycon columbianus
Approximate size: Up to 6–7 cm (2.5 in)
Temperament: Generally peaceful, active, and sometimes boisterous
Recommended tank size: 80 L (20 US gal) or larger
Diet: Omnivorous; high-quality flakes and small pellets, supplemented with frozen or live foods such as bloodworms, daphnia, and brine shrimp
Origin: South America — Río Acandí region, northern Colombia
Basic care information: Keep in groups of 6 or more, with larger groups preferred. Provide plenty of open swimming space, planted areas, and good filtration. Maintain clean, stable water around 22–28°C (72–82°F). They are generally suitable for community aquariums, but their active nature means very small, slow-moving, or long-finned tankmates may occasionally be harassed.