Rose Line Shark (Sahyadria denisonii)

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Roseline shark

Most species of freshwater fish found within the aquarium hobby are around for several decades, but not the Rose Line Shark, which only first began to be exported within the late 1990’s.Since then, it’s become one among the foremost desirable species among aquarists and, though still costlier than most schooling fishes, it can now be found in any well­stocked fish store.

Sahyadria denisonii has known as many names since it had been first discovered in 1865, and you’ll still quite commonly see it listed as Puntiusdenisonii, Crossocheilus denisonii or Barbus denisonii. It also goes by a couple of different common names within the aquarium trade: the Rose Line Shark, Denison’s Barb, the Indian Flasher Barb, the line Torpedo Barb, and lots of more. it’s native to a comparatively small corner of the planet centered on the mountainous upland streams of Southwestern India, where it’s said to be most active at dawn and dusk. This has led thereto being listed as “endangered” by the IUCN, but, fortunately, this fish is now captive bred in increasingly large numbers, making it much more affordable and taking pressure off of the wild population.

Habitat of the Roseline Shark

Roseline Shark/Denison barb is local to the Achenkovil, Pamba and Chaliyar rivers. Specifically, they’re found in four locations —

  • Cheenkannipuzha (a major tributary of Valapattanam River),
  • the Achankovil river,
  • the Chaliyar river and
  • near Mundakayam town.

Expected max size of a Roseline Shark

This species of Roseline shark remains relatively tiny compared to its brothers:

Five to Six inches (12.7 to 15.2 cm)

In big tanks (75+ gallons but choose a 125 gallon tank if you can) they ought to reach about 5 -5.5 inches at max, before being relocated to a bigger one.

They are also slow growers, so don’t be bothered if yours doesn’t hit these numbers soon after its arrival.

I’ve had mine add about an in. in one and a half years.

Bear in mind that this doesn’t mean you’ll stick either in anything under 20 G.

They may not grow much, but they are doing require their scavenging space.

If you’d wish to enjoy over one I’d strongly suggest that you simply provide them with a minimum of 60 gallons of a aquarium for starters.

If it’s an extended well-planted one – even better.

Diet & Foods

They’re classified as omnivores they might much prefer sticking to a herbivorous diet.
They tends to be peaceful but some are known to be slightly aggressive around food, especially if kept in less space than they require. They eat bloodworms, shrimp, meat, fish flake and a few vegetation.They also like planted aquariums with gravel, rocks, and driftwood.

Expected Lifespan

With excellent care , the Roseline shark will live up to 12 years.

Stress can have an impression on their well-being like every other fish.

Make sure you set yours in a very friendly environment.

 Roseline Shak School
Roseline Shak School

Behavior & Compatibility

The Roseline Shark comes from India and it’s a lively schooling fish.

As long as they form a school aggression won’t be a problem . you’ll place them in community tanks, but confirm you’ve got a minimum of 5 of them then that they won’t bother others.
This way you’ll be ready to acknowledge their friendliness and attractive behavior.

I’ve set a tank with a school of 8 Roseline sharks and Discus, and a short while back I had seen these during a tank peacefully shared with angelfish.

However, I wouldn’t recommend this mix , as discus and angelfish are slow-swimmers and that they can easily be stressed by the red-lined barbs. Mine just had chill personalities.

Roseline Shark-friendly conditions & Care tips

The minimum tank size for one of those plecos is 75+ gallons, but as this hobby goes, it’s always better to rescale the minimum requirements.

I’d say a 90+ gal tank would make them happier.

A fully grown 3.5-4-inch specimen of Roseline Shark should be relocated to a 100 or a 125-gallon tank.

The pH levels of your tank water should be within the range of 6.8–7.8 and therefore the KH levels – between 8 and 12. the overall hardness of the water should be between 5–25 dGH . a perfect temperature is 65 to 79 °F (18 to 26 °C).

Breeding


Very rarely breeding in captive conditions has been reported.
The sexes are mostly identical and breeding is rare in home aquariums, though it’s once in a while occurred spontaneously.
This is because of the shortage of sufficient water current in home aquariums.

Over the years many efforts are made to breed this rapidly depleting species in captivity, initially with limited success.

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