Rose Line Barb (Puntius denisonii)

The Rose Line Barb (Puntius denisonii), also known as the Denison Barb or Red-Line Torpedo Barb, is a striking freshwater species highly prized in the aquarium trade for its vibrant coloration and active schooling behavior. Characterized by its sleek silver body, bold horizontal black stripe, and a vivid red line running from the snout through the eye, this species adds elegance and movement to community aquariums. Mature individuals may also display yellow and green markings on the fins, enhancing their ornamental appeal.

Key Features:

• Scientific Name: Puntius denisonii

• Common Names: Rose Line Barb, Denison Barb, Red-Line Torpedo Barb

• Origin: India (Western Ghats region)

• Size: Up to 15 cm (6 inches)

• Temperament: Peaceful, shoaling species

Care Guidelines:

• Tank Size: Minimum 200 liters (55 gallons) recommended, as this species is highly active and best kept in groups of 6 or more.

• Water Parameters: Prefers soft to moderately hard water; pH 6.5–7.5; temperature range 20–26°C.

• Diet: Omnivorous; accepts high-quality flakes, pellets, frozen, and live foods. A varied diet with both plant matter and protein ensures optimal coloration and health.

• Aquarium Setup: Provide ample swimming space with open areas, complemented by planted regions and hiding spots created with driftwood and rocks. A well-oxygenated aquarium with moderate to strong water flow replicates its natural riverine habitat.

Care Tips:

• Maintain excellent water quality, as Rose Line Barbs are sensitive to poor conditions.

• Keep in larger shoals to reduce stress and encourage natural schooling behavior.

• Ensure a secure aquarium cover, as they may leap when startled.

The Rose Line Barb is a premium choice for aquarists seeking an active, colorful schooling fish that enhances both the beauty and dynamism of a freshwater aquarium. With proper care and environment, this species thrives and displays its full brilliance.