Denison Barb

Denison Barb (Sahyadria denisonii)

The Denison Barb, also known as the Roseline Shark or Red Line Torpedo Barb, is a stunning freshwater fish native to the rivers and streams of India. Known for its sleek, torpedo-shaped body, vibrant red stripe, and striking black markings, this active schooling fish makes a beautiful addition to larger community aquariums.

Denison Barbs are peaceful, energetic swimmers that thrive in groups and appreciate clean, well-oxygenated water. Their vibrant coloration and constant activity make them an excellent centerpiece for spacious planted aquariums.

Care Requirements

• Scientific Name: Sahyadria denisonii
• Common Names: Denison Barb, Roseline Shark, Red Line Torpedo Barb
• Origin: India
• Care Level: Intermediate
• Temperament: Peaceful, active
• Maximum Size: 5–6 inches
• Minimum Tank Size: 75 gallons
• Temperature: 65–77°F
• pH: 6.5–7.8
• Diet: Omnivore
• Lifespan: 5–8 years
• Schooling: Keep in groups of 6 or more

Diet & Feeding

Denison Barbs are omnivores that thrive on a varied diet. Offer high-quality tropical flakes or pellets supplemented with frozen or live foods such as bloodworms, brine shrimp, and daphnia. Vegetable-based foods can also help provide balanced nutrition and support healthy coloration.

Tank Setup & Compatibility

Denison Barbs prefer spacious aquariums with plenty of open swimming room, moderate to strong water movement, and excellent filtration. A planted aquarium with rocks, driftwood, and open swimming areas provides an ideal environment.

These peaceful fish do best in groups of at least six, which helps encourage natural schooling behavior and reduce stress.

Suitable tank mates include other peaceful, similarly sized fish that enjoy comparable water conditions. Avoid aggressive species and slow-moving fish that may become stressed by their energetic swimming.

Important Information

Denison Barbs are active swimmers that require a longer aquarium with plenty of horizontal swimming space. They are sensitive to poor water quality, so regular water changes and stable water parameters are essential.

For the best health and natural behavior, keep Denison Barbs in groups of six or more in a well-maintained aquarium.

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