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Roseline Shark

$12$15

The Roseline Shark, or Denison Barb (Sahyadria denisonii), is an endangered freshwater fish from India’s Western Ghats, celebrated in the aquarium trade for its striking red and black longitudinal stripes and dynamic shoaling behavior.

SKU: 296 Categories: ,
Discount When you Purchase
5% Discount Applied 3 - 5
10% Discount Applied 6 - 11
15% Discount Applied 12 +
Size Color Stock Price

( 1.75" )

Premium Females
Stage 2 - Nice Transitional Color

8 in stock

Original price was: $20.Current price is: $15.
-1+
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( 1.75" )

Premium Unsexed
Stage 3 - Color Morph

25 in stock

Original price was: $20.Current price is: $12.
-1+
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Stage 2 - Nice Transitional Color
Premium Females 1.75"
(8 AVAILABLE)
Original price was: $20.Current price is: $15.
-1+
Add to Cart
Stage 3 - Color Morph
Premium Unsexed 1.75"
(25 AVAILABLE)
Original price was: $20.Current price is: $12.
-1+
Add to Cart

Description

The Roseline Shark, scientifically known as Sahyadria denisonii, is a vibrant freshwater species endemic to the fast-flowing streams and rivers of India’s Western Ghats. It is distinguished by its sleek, torpedo-shaped body adorned with silver scales, a bold red line from snout to mid-body, and a parallel black stripe extending to the tail. Mature individuals may also display a green or blue mark on the head, enhancing their allure. Typically reaching 9–11 centimeters in length, these fish are active and prefer to shoal, contributing to their popularity in home aquariums.

Endemic to specific river systems in Kerala, including the Achenkovil, Pamba, and Chaliyar, the Roseline Shark thrives in subtropical conditions with clear, oxygen-rich water, a pH of 6.8–7.8, and temperatures ranging from 65 to 79°F (18 to 26°C). Their natural habitats are characterized by rocky pools and dense vegetation, where they engage in gregarious shoaling behavior.

The Denison Barb’s beauty and charm have led to its prominence in the aquarium trade, sparking concerns about over-exploitation and endangerment. Efforts to breed them in captivity have been underway to relieve pressure on wild populations and ensure sustainable trade practices.

In the aquarium, the Roseline Shark is a peaceful yet active schooling fish, best kept in groups to exhibit natural behaviors. They are omnivorous, feeding on a variety of foods including bloodworms, shrimp, fish flakes, and some vegetation. While generally peaceful, they can exhibit competitiveness for food, necessitating ample space to thrive and coexist with tank mates.

Breeding initiatives in captivity have shown success, marking a positive step towards conservation and offering a potential model for sustainable aquarium trade practices. This not only helps protect the wild populations but also secures the future of these captivating fish in the hobbyist community.

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