Platinum Roseline Shark (Sahyadria denisonii)
The Platinum Roseline Shark (Sahyadria denisonii), also known as the Platinum Denison Barb or Platinum Torpedo Barb, is a rare and highly sought-after color morph of the popular Roseline Shark. This stunning freshwater fish features a shimmering platinum-white body highlighted by the species' signature red stripe and subtle black markings.
Known for their active schooling behavior and peaceful temperament, Platinum Roseline Sharks are ideal for larger community aquariums where their metallic coloration and graceful swimming can be fully appreciated. Their rarity and striking appearance make them a true centerpiece fish for serious freshwater hobbyists.
Quick Facts
- Scientific Name: Sahyadria denisonii
- Common Names: Platinum Roseline Shark, Platinum Denison Barb, Platinum Torpedo Barb
- Adult Size: 5–6 inches
- Temperament: Peaceful
- Care Level: Moderate
- Diet: Omnivore
- Lifespan: 5–8 years
- Minimum Tank Size: 55 gallons
- Water Temperature: 72–79°F
- pH Range: 6.5–7.5
- KH: 5–12 dKH
- Swimming Level: Midwater to Upper Levels
- Schooling Fish: Yes
Why Choose Platinum Roseline Sharks?
✔ Rare platinum-white color morph
✔ Active and graceful schooling fish
✔ Peaceful community aquarium species
✔ Stunning red and black accent markings
✔ Excellent centerpiece fish for larger aquariums
✔ Hardy and long-lived with proper care
Aquarium Setup
Platinum Roseline Sharks thrive in larger aquariums with excellent water quality, strong filtration, and plenty of open swimming space. They naturally inhabit fast-flowing rivers and appreciate highly oxygenated water.
Recommended setup:
- 55 gallons minimum
- Strong filtration
- Moderate to strong water flow
- Open swimming areas
- Driftwood and rockwork
- Live plants around the perimeter
- Secure lid
Long aquariums are preferred over tall aquariums due to their active swimming behavior.
Diet & Feeding
Platinum Roseline Sharks are omnivores and readily accept:
- Premium flakes
- Quality pellets
- Frozen bloodworms
- Brine shrimp
- Daphnia
- Insect larvae
- Vegetable-based foods
A varied diet helps maintain healthy growth and vibrant coloration.
Tank Mates
Platinum Roseline Sharks do well with:
- Rainbowfish
- Congo Tetras
- Larger Rasboras
- Peaceful Gouramis
- Corydoras
- Loaches
- Peaceful Cichlids
- Other Roseline Sharks
Avoid aggressive fish and species known for fin-nipping.
Schooling Behavior
Platinum Roseline Sharks are social fish and should be kept in groups.
Recommended group sizes:
- Minimum: 5 fish
- Ideal: 6–10+ fish
Keeping them in schools promotes natural behavior, reduces stress, and increases confidence.
Frequently Asked Questions
Are Platinum Roseline Sharks rare?
Yes. Platinum Roseline Sharks are significantly less common than standard Roseline Sharks and are highly sought after by collectors.
Can Platinum Roseline Sharks live alone?
While possible, they thrive when kept in groups of five or more and display more natural schooling behavior.
Are Platinum Roseline Sharks aggressive?
No. They are peaceful community fish that coexist well with other active species.
How large do Platinum Roseline Sharks get?
Adults typically reach 5–6 inches in length.
Do they require strong water flow?
Yes. They appreciate moderate to strong water movement and highly oxygenated conditions.
Available at Tropical Treasures Wyo
Shop healthy Platinum Roseline Sharks, Platinum Denison Barbs, and Platinum Torpedo Barbs at Tropical Treasures Wyo in Cheyenne, Wyoming. These rare freshwater schooling fish are perfect for larger community aquariums and premium freshwater displays.
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