The Rosy Barb (Pethia conchonius), also sometimes known as the Red Barb, is a popular freshwater aquarium fish belonging to the Cyprinidae family. Here's a detailed overview of this vibrant and hardy species:

🐠 Basic Information

💧 Water Parameters

🌿 Appearance

• Color: Males are more vibrant, especially during breeding—rich red or rosy-pink with metallic sheen. Females are paler, often gold or silver-pink.

• Body Shape: Elongated, slightly compressed body with forked tail.

• Fins: Transparent to reddish, especially vivid in males.

🧬 Behavior & Compatibility

• Schooling: Best kept in groups of 5 or more to reduce aggression.

• Activity: Very active swimmers; they need space.

• Tank Mates: Peaceful community fish like danios, mollies, tetras, or corydoras.

• Avoid: Long-finned or slow-moving fish (like bettas), as Rosy Barbs may nip fins.

🍽️ Diet

• Type: Omnivorous

• Food:

  • Flake or pellet food

  • Live/frozen foods: brine shrimp, bloodworms, daphnia

  • Vegetables: blanched spinach, zucchini

• A varied diet enhances their coloration and health.

🐣 Breeding

• Breeding Type: Egg scatterer

• Spawning Conditions: Slightly warmer water (~26°C), dense plant cover, and a breeding tank

• Egg Care: Parents eat the eggs—remove them after spawning

• Fry: Hatch in ~24–48 hours; feed infusoria or liquid fry food

🏡 Tank Setup Tips

• Substrate: Dark substrate enhances their color

• Plants: Dense vegetation (real or artificial) for cover

• Decor: Rocks, driftwood for natural feel

• Filtration: Moderate flow with good oxygenation

• Lighting: Normal to bright—enhances appearance

✅ Pros & Cons

Pros:

• Hardy and beginner-friendly

• Colorful and active

• Easy to breed

• Peaceful when kept in groups

Cons:

• Can become fin-nippers

• Need a sizable tank for proper schooling

• Males can be territorial during breeding

🧠 Fun Facts

• Rosy Barbs change color depending on mood, health, and breeding status.

• They are used in outdoor ponds in some countries due to their hardiness in cooler temperatures.

• There are several color morphs: long-fin, neon, albino, and gold varieties.

IMAGES ARE FOR REPRESENTATIVE PURPOSES ONLY.