Buenos Aires Tetra (Hemigrammus caudovittatus)

Discover the Active Buenos Aires Tetra

The Buenos Aires Tetra (Hemigrammus caudovittatus) is a hardy, energetic, and highly adaptable freshwater fish that has remained a favorite among aquarium hobbyists for decades. Known for its shimmering silver body, vibrant red-orange fin accents, and active schooling behavior, this species is an excellent choice for aquarists looking to add movement and personality to their aquarium. Buenos Aires Tetra Canada

Originally native to river systems in Argentina, Paraguay, and Brazil, the Buenos Aires Tetra thrives in a wide range of water conditions and is well-known for its durability and ease of care. Its adaptability makes it an excellent option for both beginner and experienced fishkeepers alike. Buenos Aires Tetra Canada

When maintained in proper schools, Buenos Aires Tetras display impressive group swimming behavior that brings constant activity to community aquariums. Their larger size compared to many other tetra species also makes them a standout feature in medium and large freshwater aquariums.

At Monster Aquarium Canada, we offer healthy, premium-quality Buenos Aires Tetras with professional live fish shipping available throughout Canada.

Buenos Aires Tetra Appearance

Attractive Silver Body Coloration

The Buenos Aires Tetra features a bright silver body that reflects aquarium lighting beautifully.

Vibrant Red and Orange Fin Highlights

Its tail, dorsal, and anal fins often display attractive reddish-orange coloration that creates striking contrast.

Distinctive Tail Marking

A dark marking near the caudal fin helps distinguish this species from other popular tetra varieties.

Active Schooling Display

Large groups create an energetic and eye-catching display in community aquariums.

Buenos Aires Tetra Care Guide

Aquarium Setup

Buenos Aires Tetras are adaptable fish that thrive in a variety of aquarium environments.

Recommended Aquarium Requirements

Tank Size

• Minimum 30 gallons
• Larger aquariums recommended for schools

Aquarium Features

• Open swimming space
• Hardy plants
• Driftwood and décor
• Moderate water flow

Schooling Requirements

• Keep in groups of at least 6 to 8 fish
• Larger schools encourage natural behavior and reduce aggression

Water Parameters

This species is known for its tolerance of a wide range of conditions.

Ideal Water Conditions

Temperature

• 64°F – 82°F (18°C – 28°C)

pH

• 6.0 – 8.0

Water Hardness

• Soft to moderately hard

Filtration

• Moderate biological filtration

Maintenance

• Weekly water changes recommended

Feeding and Nutrition

Omnivorous Feeding Habits

Buenos Aires Tetras are enthusiastic feeders that accept a wide variety of foods.

Recommended Foods

Prepared Foods

• Premium tropical flakes
• Community fish pellets
• High-quality granules

Frozen Foods

• Bloodworms
• Brine shrimp
• Daphnia

Supplemental Foods

• Vegetable-based foods
• Freeze-dried treats
• Small live foods

A varied diet supports healthy growth and vibrant coloration.

Why Choose a Buenos Aires Tetra?

One of the Hardiest Tetra Species

Their adaptability and resilience make them ideal for aquarists seeking an easy-to-care-for schooling fish.

Constant Aquarium Activity

These fish are energetic swimmers that add movement and excitement to community aquariums.

Great for Larger Community Tanks

Their size and active behavior make them excellent choices for medium and large freshwater aquariums.

Why Buy from Monster Aquarium Canada?

Premium Tropical Fish Selection

Monster Aquarium Canada offers healthy, premium-quality tetras, schooling fish, and freshwater community species sourced from trusted suppliers.

Healthy Active Specimens

We carefully select fish with strong coloration, excellent health, and active behavior.

Canada-Wide Live Fish Shipping

Our professional live fish shipping service ensures safe and reliable delivery throughout Canada.

Best Tank Mates for Buenos Aires Tetra

Compatible Community Fish

Buenos Aires Tetras do best with active fish of similar size and temperament.

Recommended Tank Mates

Schooling Fish

• Diamond Tetras
• Black Skirt Tetras
• Lemon Tetras

Community Fish

• Rainbowfish
• Giant Danios
• Larger Rasboras

Bottom Dwellers

• Corydoras Catfish
• Bristlenose Plecos
• Loaches

Avoid slow-moving fish with long fins, as Buenos Aires Tetras may occasionally nip fins.

Frequently Asked Questions

How large does a Buenos Aires Tetra grow?

Adult Hemigrammus caudovittatus typically reach approximately 2.5 to 3 inches in length.

Are Buenos Aires Tetras peaceful?

They are generally peaceful but can become fin nippers if kept in groups that are too small.

How many Buenos Aires Tetras should be kept together?

A minimum group of 6 to 8 fish is recommended, though larger schools provide the best behavior and display.

What do Buenos Aires Tetras eat?

They readily accept flakes, pellets, bloodworms, brine shrimp, vegetable matter, and other aquarium foods.

Are Buenos Aires Tetras suitable for beginners?

Yes. Their hardy nature and adaptability make them one of the best tetra species for beginner aquarists.