Cochu’s Blue Tetra: A Dazzling and Peaceful Aquarium AdditionCochu’s Blue Tetra (Boehlkea fredcochui), also known as the Blue King Tetra, is a striking freshwater fish celebrated for its shimmering metallic blue colouration. This vibrant schooling species adds energy and elegance to any aquarium. Its peaceful temperament and captivating appearance make it a favourite among aquarists of all experience levels.Caring for Cochu’s Blue TetraCochu’s Blue Tetras thrive in tanks of at least 60 liters, offering plenty of open swimming areas and planted regions for cover. Maintain water temperatures between 22°C and 28°C, with a pH range of 6.0–7.5. Using a dark substrate and subdued lighting enhances their vivid blue tones. Regular water changes and efficient filtration help keep their environment healthy and stable.Ideal Tank Mates for Blue King TetrasThese tetras are peaceful and ideal for community tanks with other non-aggressive species like Ember Tetras, Corydoras, and Rasboras. They should be kept in groups of six or more to encourage schooling behaviour and reduce stress. Avoid housing them with long-finned fish, as Cochu’s Blue Tetras may occasionally nip fins.Feeding Cochu’s Blue TetrasAs omnivores, Cochu’s Blue Tetras require a varied diet. Provide high-quality flakes or micro-pellets as their staple food, supplemented with live or frozen options like brine shrimp, bloodworms, and daphnia. Adding occasional blanched vegetables, such as zucchini or spinach, helps ensure balanced nutrition and enhances their vibrant colours.Breeding Blue King TetrasBreeding Cochu’s Blue Tetras is achievable in a well-prepared environment. Use a separate breeding tank with soft, slightly acidic water and fine-leaved plants or spawning mops for egg-laying. After eggs are laid, remove the adults to prevent them from eating the eggs. The fry hatch within 24–36 hours and should be fed infusoria or finely crushed fry food until they grow larger.FAQsWhat tank size is ideal for Cochu’s Blue Tetras? A minimum of 60 liters is recommended, with space for schooling and plants for cover.Can they live with other fish? Yes, they pair well with peaceful species like Ember Tetras and Corydoras but avoid long-finned fish.What do they eat? They thrive on flakes, live or frozen foods, and occasional vegetable-based supplements.Are they beginner-friendly? Yes, their hardy nature and peaceful temperament make them an excellent choice for beginners.What water conditions do they need? They prefer water temperatures between 22°C and 28°C, with a pH range of 6.0–7.5.Species OverviewSpecies: Boehlkea fredcochuiCommon Names: Cochu’s Blue Tetra, Blue King TetraOrigin: South AmericaDiet: OmnivorePH Range: 6.0–7.5Temperature: 22°C–28°CMax Size: Up to 5 cmTank Size: Minimum 60 liters
