Red Belly Pacu (Piaractus brachypomus)

Discover the Impressive Red Belly Pacu

The Red Belly Pacu (Piaractus brachypomus) is one of the most recognizable giant freshwater fish in the aquarium hobby. Native to the rivers and floodplains of the Amazon and Orinoco basins in South America, this remarkable species is admired for its impressive size, peaceful temperament, intelligence, and striking red-orange belly coloration.

Often sought after by monster fish enthusiasts, the Red Belly Pacu combines rapid growth with a calm personality, making it an excellent choice for large aquarium displays. As juveniles, they display attractive silver bodies with vibrant red coloration on the chest and belly. As they mature, they develop a commanding presence that makes them one of the most impressive centerpiece fish available for large freshwater systems.

At Monster Aquarium Canada, we offer healthy, premium-quality Red Belly Pacu with professional live fish shipping available across Canada.

Red Belly Pacu Appearance

Vibrant Red Belly Coloration

The signature feature of Piaractus brachypomus is its vivid red to orange belly and lower body region, which contrasts beautifully against its silver-gray body.

Powerful Deep-Bodied Profile

Red Belly Pacu possess a strong, muscular body shape that allows them to become one of the largest and most impressive freshwater fish commonly maintained in aquariums.

Fast-Growing Giant Fish

This species is known for rapid growth under proper conditions, quickly developing into a spectacular display fish.

Red Belly Pacu Care Guide

Aquarium Setup

Due to their eventual size, Red Belly Pacu require very large aquariums and excellent filtration systems.

Recommended Aquarium Requirements

Tank Size

• Minimum 250 gallons for juveniles
• Larger aquariums or indoor pond systems recommended for adults

Aquarium Features

• Large open swimming space
• Heavy-duty filtration
• Strong aeration
• Secure aquarium cover

Substrate

• Sand or smooth gravel

Water Parameters

Stable and clean water conditions are essential for healthy growth.

Ideal Water Conditions

Temperature

• 75°F – 84°F (24°C – 29°C)

pH

• 6.0 – 7.5

Water Hardness

• Soft to moderately hard

Filtration

• Powerful biological and mechanical filtration

Maintenance

• Frequent water changes recommended

Feeding and Nutrition

Omnivorous Diet

Red Belly Pacu are opportunistic omnivores that consume a wide variety of foods in nature and captivity.

Recommended Foods

Prepared Foods

• Premium large pellets
• Floating sticks
• Omnivore formulas

Fresh Foods

• Fruits
• Vegetables
• Leafy greens

Protein Sources

• Shrimp
• Krill
• Frozen foods

A balanced diet supports healthy growth, coloration, and long-term vitality.

Why Choose a Red Belly Pacu?

Peaceful Giant Fish

Unlike many monster fish species, Red Belly Pacu are generally peaceful and can often coexist with other large aquarium fish.

Incredible Growth Potential

Their ability to reach impressive adult sizes makes them a rewarding long-term species for dedicated aquarists.

Intelligent and Interactive

Many Pacu learn to recognize their owners and become highly interactive during feeding times.

Why Buy from Monster Aquarium Canada?

Premium Monster Fish Selection

Monster Aquarium Canada specializes in rare, exotic, and hard-to-find freshwater fish sourced from trusted suppliers.

Healthy Quality Specimens

We carefully select healthy fish with strong growth potential and excellent condition.

Canada-Wide Live Fish Shipping

We professionally package and ship live fish across Canada to ensure safe arrival.

Best Tank Mates for Red Belly Pacu

Compatible Large Aquarium Fish

Red Belly Pacu perform best with similarly sized peaceful species.

Recommended Tank Mates

South American Fish

• Silver Dollars
• Large Severums
• Geophagus Species

Monster Fish

• Arowanas
• Large Catfish
• Datnoids

Other Suitable Species

• Giant Gouramis
• Large peaceful cichlids
• Other large community fish

Avoid keeping Pacu with highly aggressive fish that may cause stress or injury.

Frequently Asked Questions

How large does a Red Belly Pacu grow?

Adult Piaractus brachypomus can exceed 30 inches in length and become extremely heavy under proper care.

Are Red Belly Pacu aggressive?

No. They are generally peaceful and are considered one of the more community-friendly giant freshwater fish species.

What do Red Belly Pacu eat?

They thrive on pellets, fruits, vegetables, leafy greens, shrimp, krill, and various omnivorous foods.

Are Red Belly Pacu suitable for beginners?

Due to their massive adult size and aquarium requirements, they are best suited for aquarists with experience maintaining large fish.

Can Red Belly Pacu live with other fish?

Yes. They often coexist successfully with other large, peaceful fish when provided with adequate space.