Blue Emperor Tetra – Inpaichthys kerri (Cochu’s Blue Tetra)

Add a splash of iridescent blue shimmer to your aquarium with the Blue Emperor Tetra (Inpaichthys kerri), also known as Cochu’s Blue Tetra. This peaceful, active schooling fish is admired for its deep metallic-blue body, translucent fins, and gentle temperament. Native to Brazil’s clear, slow-moving streams, the Blue Emperor Tetra makes a beautiful and low-maintenance addition to planted or community aquariums.

Their elegant swimming and luminous sheen bring life and movement to any aquascape — especially under soft lighting and dark substrate.

Features:

• 🐟 Scientific Name: Inpaichthys kerri
• 🌎 Origin: Brazil (Upper Rio Juruena Basin)
• 🌈 Coloration: Metallic blue body with lavender or violet undertones and clear fins
• 💧 Temperament: Peaceful and schooling
• 🍽️ Diet: Omnivore – enjoys flakes, micro pellets, frozen, and live foods
• 🪸 Tank Level: Mid to upper

Recommended Tank Parameters:

• Temperature: 74–80°F
• pH: 6.0–7.5
• KH: 2–10 dKH
• Minimum Tank Size: 20 gallons
• Lighting: Low to moderate; darker background enhances coloration

Behavior & Compatibility:
Best kept in groups of 6 or more. Peaceful with other small community fish such as rasboras, Corydoras, gouramis, and shrimp. Avoid aggressive or fin-nipping tankmates.