Blue Cochu Tetra
The Blue Cochu Tetra is a bright, active schooling fish known for its electric blue coloration and constant movement. This eye-catching freshwater tetra adds energy, color, and activity to planted aquariums, nano community tanks, and peaceful freshwater setups.
Best kept in groups, Blue Cochu Tetras are social fish that look their best when swimming together in a school. Their shimmering blue color stands out beautifully against green live plants, dark substrate, driftwood, and natural aquarium decor.
Quick Facts
- Common Name: Blue Cochu Tetra
- Adult Size: About 1.5–2 inches
- Size at Sale: Approximately 0.75 inch
- Temperament: Peaceful and active
- Care Level: Easy to moderate
- Minimum Tank Size: 15 gallons
- Schooling Group: 6 or more recommended
- Diet: Omnivore
- Best For: Planted tanks, community aquariums, and active schooling displays
Key Features
- Electric Blue Color: Bright blue tones make this tetra stand out in freshwater aquariums.
- Active Schooling Fish: Constant movement adds life and energy to the tank.
- Community Friendly: Works well with many peaceful fish of similar size.
- Great for Planted Tanks: Their blue coloration contrasts beautifully with live aquarium plants.
- Best in Groups: Keeping 6 or more helps reduce stress and brings out natural schooling behavior.
Tank Setup
Blue Cochu Tetras do best in a peaceful aquarium with open swimming space and areas of cover. A planted tank with driftwood, rocks, and darker substrate can help bring out their color while giving them places to feel secure.
Because they are active swimmers, avoid overcrowding and provide enough horizontal swimming room. Stable water parameters, good filtration, and regular maintenance will help keep them healthy and active.
Ideal Tank Mates
- Other peaceful tetras
- Rasboras
- Corydoras
- Small rainbowfish
- Peaceful livebearers
- Otocinclus
- Small peaceful gouramis
Avoid aggressive fish, large predatory species, or fin-nipping tank mates that may stress the school.
Diet & Feeding
Blue Cochu Tetras are omnivores and should be fed a varied diet. Offer high-quality flakes, micro pellets, and small frozen foods such as brine shrimp, daphnia, and bloodworms.
Feed small portions once or twice daily, offering only what they can consume within a few minutes.
Care Tips
- Keep in groups of at least 6 for best behavior and color.
- Provide open swimming areas along with plants or decor for cover.
- Choose peaceful tank mates of similar size.
- Maintain clean, stable water conditions.
- Feed a varied diet to support color and activity.
Frequently Asked Questions
Are Blue Cochu Tetras good community fish?
Yes. Blue Cochu Tetras are peaceful schooling fish that do well with many calm community fish of similar size.
How many Blue Cochu Tetras should I keep together?
A group of 6 or more is recommended. Larger groups help them feel secure and show better schooling behavior.
Are Blue Cochu Tetras good for planted tanks?
Yes. Their electric blue color looks especially nice against live plants, driftwood, and natural aquascapes.
What do Blue Cochu Tetras eat?
They eat high-quality flakes, micro pellets, and small frozen foods such as brine shrimp, daphnia, and bloodworms.
Are Blue Cochu Tetras aggressive?
They are generally peaceful, but like many active schooling fish, they should be kept in a proper group and not housed with slow, delicate, or aggressive tank mates.
What size tank do Blue Cochu Tetras need?
A 15-gallon aquarium or larger is recommended, with more space preferred for larger schools and active community setups.
Available at Tropical Treasures Wyo
Shop Blue Cochu Tetras online or in-store at Tropical Treasures Wyo in Cheyenne, Wyoming. These electric blue schooling fish are a colorful choice for planted aquariums, peaceful community tanks, and active freshwater displays.
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