The Metae Tetra (Moenkhausia metae) is a colorful and active schooling fish prized for its bright silver body accented by vivid red fins and subtle black markings. At about 2.5cm, this tetra displays its signature colors early, making it a lively and attractive addition to well-planted freshwater aquariums. Native to the Meta River in Colombia, this species thrives in soft, slightly acidic water typical of many South American blackwater environments.

Known for its peaceful temperament and schooling nature, the Metae Tetra is suitable for beginner and experienced aquarists alike, adding vibrant movement and color to community tanks.

🐠 Key Features:

• Scientific Name: Moenkhausia metae

• Common Name: Metae Tetra

• Size: 2.5cm (juvenile; adults may reach up to 4–5cm)

• Lifespan: 4–6 years

• Temperament: Peaceful, active, schooling

• Difficulty Level: Easy to Moderate

• Origin: Meta River, Colombia

• Best kept in groups of 6 or more

🌊 Water Conditions

Metae Tetras prefer clean, soft to moderately hard water with slightly acidic pH levels.

• Temperature: 23–28°C (73–82°F)

• pH: 6.0–7.0

• Hardness: 2–12 dGH

• Tank Size: Minimum 20 gallons

• Water Type: Freshwater

• Filtration: Moderate filtration with good oxygenation

• Lighting: Moderate; planted tanks with shaded areas preferred

Use driftwood and leaf litter to simulate their natural habitat and enhance their coloration.

🐟 Tank Mates

Due to their peaceful nature, Metae Tetras are compatible with many community fish.

Compatible tank mates:

• Other peaceful tetras (Neon, Glowlight, Rummy Nose)

• Rasboras

• Corydoras catfish

• Dwarf gouramis

• Otocinclus catfish

• Small peaceful barbs

Avoid:

• Aggressive or fin-nipping species

• Larger predatory fish

Keep Metae Tetras in groups of at least six to encourage natural schooling behavior and reduce stress.

🍽️ Feeding Habits

Metae Tetras are omnivorous and thrive on a varied diet.

Recommended diet:

• High-quality flake or pellet foods

• Live or frozen foods such as brine shrimp, daphnia, and bloodworms

• Freeze-dried tubifex or krill

• Occasional vegetable flakes or spirulina

Feed once or twice daily, providing amounts consumed within a few minutes.

🧼 Care and Maintenance

• Perform regular water changes (20–30% weekly) to maintain water quality

• Maintain stable temperature and pH levels

• Avoid overcrowding and ensure ample swimming space

• Use a secure lid as tetras may jump

• Monitor for signs of disease or stress, such as fading color or lethargy

🌿 Why Choose the Metae Tetra?

The Metae Tetra offers vibrant color and peaceful schooling behavior, making it a delightful and low-maintenance addition to community tanks. Its shimmering silver body contrasted with bright red fins creates a lively and eye-catching display, perfect for planted aquariums.