Cochu's Blue Tetra - 3cm

Species Profile

• Scientific Name: Boehlkea fredcochui
• Common Name: Cochu's Blue Tetra
• Adult Size: 1.5 to 2 inches (3.8 to 5 cm)
• Life Expectancy: 3 to 5 years (with proper care)
• Habitat: Native to the Amazon River Basin in South America; prefers slow-moving streams and densely planted waters

Tank Requirements

• Minimum Tank Size: 15 gallons (ideal for a small school of 6+)
• Ideal Temperature: 73°F to 82°F (23°C to 28°C)
• pH Range: 5.5 to 7.5
• Water Hardness: 2 to 15 dGH
• Temperament: Peaceful, active schooling fish; best kept in groups of at least 6 to reduce stress and encourage natural behavior

Diet & Nutrition

• Omnivorous: Yes
• Diet: Will accept a wide range of foods including high-quality flake food, micro pellets, frozen foods (such as bloodworms and brine shrimp), and live foods. Supplementing with plant-based foods is beneficial.

Appearance

• Coloration: Iridescent blue body with subtle silver and clear fins. The intensity of their blue coloration can vary depending on lighting, health, and diet.
• Size: Small and slender, with a streamlined, torpedo-shaped body.

Distinctive Features

• Unique Trait: The shimmering, electric-blue coloration along the body is what makes this species stand out in aquariums.
• Behavior: Active swimmers and schoolers; their synchronized movement adds dynamic beauty to planted or community tanks.