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Roseline Shark / Denisonii Barb | Sahyadria denisonii

(4.4)|128 reviews
Roseline Shark / Denisonii Barb  | Sahyadria denisonii - Betta USA Aquatic

Roseline Shark / Denisonii Barb | Sahyadria denisonii

Key Specs

BrandBetta USA Aquatic
Temperature72 – 79°F (22 – 26°C)
pH Range6.5 – 7.5
KH Range4 – 12 dKH
Min. Tank Size55 gallons
Adult Size5 – 6 inches (12 – 15 cm)
Sale Size2 – 3 inches
Package:1 Fish
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About this item

Roseline Shark / Denisonii Barb (Sahyadria denisonii)



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4

Roseline Shark (Denisonii Barb)

The Roseline Shark, also known as the Denisonii Barb or Red Line Torpedo Barb, is one of the most striking freshwater fish in the aquarium hobby. This species is recognized for its sleek torpedo-shaped body, bold red stripe running from the nose through the eye, and contrasting black lateral line.

Their streamlined shape and vibrant coloration make them a standout fish in larger aquariums. When kept in groups, Roseline Sharks create an impressive display as they swim actively through the tank.

Because of their beauty and energetic behavior, they are a popular choice for large community aquariums and planted tanks.


Why Aquarists Love Roseline Sharks

• Distinct bright red stripe with bold black lateral line
• Sleek torpedo-shaped body built for fast swimming
• Very active schooling fish
• Beautiful centerpiece species for large aquariums


Behavior & Compatibility

Roseline Sharks are peaceful but very active schooling fish that should be kept in groups of at least 5–6 individuals. When kept alone or in small numbers, they may become stressed.

They do best with other medium-sized peaceful community fish.

Suitable tank mates include:

• Larger barbs
• Rainbowfish
• Gouramis
• Peaceful cichlids
• Corydoras catfish

Avoid keeping them with very small fish that may be intimidated by their fast movement.


Ideal Aquarium Setup

Roseline Sharks require large aquariums with plenty of swimming space, as they are very active fish.

Recommended aquarium features include:

• Large tank with open swimming areas
• Strong filtration and good oxygenation
• Driftwood and rocks for structure
• Moderate to strong water flow

A well-planted aquarium with open swimming space works well for this species.


Diet and Feeding

Roseline Sharks are omnivores and will accept a variety of foods.

Recommended foods include:

• High-quality pellets
• Flakes
• Frozen bloodworms
• Brine shrimp
• Daphnia
• Vegetable-based foods

Providing a varied diet helps maintain their health and vibrant coloration.


Recommended Tank Parameters

Temperature: 72 – 79°F (22 – 26°C)
pH: 6.5 – 7.5
KH: 4 – 12 dKH
Minimum Tank Size: 55 gallons

Larger tanks are recommended for schools.


Size Information

Average Adult Size:
5 – 6 inches (12 – 15 cm)

Typical Sale Size:
2 – 3 inches


Origin

The Roseline Shark (Sahyadria denisonii) is native to fast-flowing rivers and streams in the Western Ghats of India, a biodiversity hotspot known for many unique freshwater fish species.


Add striking color and dynamic movement to your aquarium with the Roseline Shark, a beautiful and energetic freshwater fish perfect for large community tanks. 🐠

Reviews

4.2
128 reviews
5
83
4
26
3
10
2
5
1
4
94% would recommend to a friend

Customers are saying

Customers express satisfaction with this fish's vibrant coloration and healthy arrival condition. The elegant fin structure is frequently praised as a standout feature. Some buyers note that the fish can be a picky eater initially but adjusts well over time. Overall, reviewers recommend this as an excellent centerpiece fish for medium to large aquariums.

This summary was generated by AI based on customer reviews.

Top Mentions

JB
James B.
Verified Buyer·Oct 24, 2023

Beautiful addition to my reef!

The fish arrived in perfect condition. Packaging was triple insulated with heat packs. Acclimation was smooth and it was eating frozen mysis within 2 hours of introduction. AquaEditorial never disappoints.

SL
Sarah L.
Verified Buyer·Oct 20, 2023

Great value for the price

Exactly as described. Fast shipping and very well packed.

MR
Mike R.
Verified Buyer·Oct 15, 2023

Good but picky eater

Beautiful specimen, arrived healthy. Takes a while to adjust to new food but eventually started eating pellets. Great addition to my South American cichlid tank.

FAQs

Emily R.·2 days ago

What temperature should I keep the tank at for this fish?

Betta USASeller·replied

Great question! We recommend maintaining a water temperature of 82–86°F (28–30°C). Discus are tropical fish and thrive in warm, stable water conditions. A reliable heater with a thermostat is essential.

Michael T.·5 days ago

Can I keep this with other fish in a community tank?

Betta USASeller·replied

Yes! Discus are peaceful and social. They do best with calm tank mates like Cardinal Tetras, Rummy Nose Tetras, and Corydoras Catfish. Avoid aggressive or fast-moving fish that may stress them.

Sarah L.·1 week ago

What size tank do I need for a small group?

Betta USASeller·replied

We recommend a minimum of 55 gallons for a small group of discus. They need spacious aquariums with open swimming areas, live plants, driftwood, and gentle filtration.

David K.·1 week ago

What should I feed them?

Betta USASeller·replied

Discus are omnivores and benefit from a varied diet. We recommend high-quality discus pellets, frozen bloodworms, brine shrimp, and beef heart mixes. A varied diet helps maintain vibrant coloration.

Jessica W.·2 weeks ago

Do you guarantee live arrival?

Betta USASeller·replied

Absolutely! All live fish are shipped with our 100% Live Arrival Guarantee. If there are any issues upon delivery, contact us within 2 hours with photos and we'll make it right.

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