Rosy Barb Long Fin

The Rosy Barb (Pethia conchonius) is a hardy and colorful freshwater fish well known for its bright rosy-red coloration and active swimming behavior. Males often develop a more intense pink or red color, especially during breeding season, making them a vibrant addition to community aquariums.

Because of their durability and adaptability, Rosy Barbs are considered one of the best beginner fish for freshwater aquariums. Their lively schooling behavior and attractive colors make them a popular choice for both beginner and experienced aquarists.

Why Aquarists Love Rosy Barbs

• Bright rosy pink to red coloration, especially in males
• Very hardy and adaptable fish
• Active schooling fish that adds movement to the aquarium
• Great choice for beginner aquariums

Behavior & Compatibility

Rosy Barbs are peaceful and active schooling fish that should be kept in groups of 5–6 or more individuals. Keeping them in larger groups encourages natural schooling behavior and reduces stress.

Suitable tank mates include:

• Other barbs
• Danios
• Rasboras
• Corydoras catfish
• Other active community fish

Avoid slow-moving fish with very long fins.

Ideal Aquarium Setup

Rosy Barbs thrive in well-established aquariums with plenty of swimming space and plants for cover.

Recommended aquarium setup includes:

• Live plants such as Vallisneria, Java Fern, or Anubias
• Driftwood or rocks for natural structure
• Open swimming areas
• Moderate water movement

They are also known for tolerating slightly cooler water temperatures compared to many tropical fish.

Diet and Feeding

Rosy Barbs are omnivores and will accept a wide variety of foods.

Recommended foods include:

• High-quality flakes
• Small pellets
• Frozen bloodworms
• Brine shrimp
• Daphnia

Providing a varied diet will help maintain vibrant coloration and overall health.

Recommended Tank Parameters

Temperature: 64 – 75°F (18 – 24°C)
pH: 6.0 – 7.5
KH: 4 – 12 dKH
Minimum Tank Size: 30 gallons

Larger tanks are recommended for keeping bigger schools.

Size Information

Average Adult Size:
4 – 6 inches (10 – 15 cm)

Typical Sale Size:
1 – 2 inches

Origin

Rosy Barbs are native to South Asia, particularly India, Nepal, and Bangladesh, where they inhabit rivers, lakes, and slow-moving streams.