Roseline shark Complete Care Guide

Roseline shark

This is a type of rare species of fishes. Aside from the name Roseline shark, there are some more terms that could be used for the specific shark. Those are miss Kerala, Denison barb, red-line torpedo barb, and even Denison’s barb. More people know them by these names than the here stated, Roseline shark. That is the species of the cyprinid fish. These are only endemic to a certain region. Those can be explored simply in the Western ghats of India. The cyprinid fish species can be explored in the river. Usually, they are in the flowing water very fast. If anyone desires to observe them, simply visit an aquarium, you will meet them in such locations. This is threatened to be endangered due to the pet collection. It is the main threat to these fish categories

The life expectancy of Roseline shark 

The Denison barbs would have a life expectancy of about five years. That is the maximum life span of them. Those have to be kept with the proper diet and even with a suitable habitat for them. If there won’t be any perfect habitat and food the life expectancy might be reduced. Apart from that, caring is required necessarily. Although if there is any disease for the Roseline shark that also might be the cause for the shortening of the Lifespan. Therefore be aware of the behavior of the Roseline shark always. 


The Roseline sharks are known as one of the very colorful species of fish. Colorful means there are a great diversity of colors. Although the body shape of the Roseline shark is long. Although they have torpedo-shaped. The major color of them is silver. Sometimes they can be seen in the color of gold and yellow in color. There is a black colored lateral strip is only his body. Another red-colored line is above the black colored line. Although the black colored line faded in the middle. The head part of them is having the shade of emerald green. There won’t any changes in the appearance of both males and females. Females are larger in size. 

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Average Size 

The size of the Rose link shark is about eight inches. The fully grown ones are at that length. Because of their larger size, they need sufficient space for living. They have a higher rate of growth. 

Roseline shark Care

This is not a heavy process. But before the caring, the habits of the sharks have to be understood. Take into attention their sensitivity and lifestyles. 

Tank Size 

They have some larger bodies. They have to provide some larger space. Not only the bigger size. They are active swimmers. Therefore if you have more fishes with you arrange some large space for them. At least there have to be arranged 55 gallons. If you are going to put others with the Roseline shark, there should be a large space more than that. 

Water Parameters

The fishes can tolerate the generous ranges of the parameters. Usually, they have come from highly oxygenated bodies. Therefore they need the same requirements. 

Temperature range60°F – 77°F
pH level6.6 – 7.8
The hardness of the water5  – 25 dGH

Not only providing them is sufficient. There has to be a trusted test kit to monitor all parameters. If there are changes in the parameters then make necessary changes. 

Setting Up The Inside Of Their Tank

This is the most important fact. Like balancing the parameters of the water tank, then set up the inside is significant. It is better to do natural decorations to balance natural conditions. Apply a layer of sand in here. Start it from the bottom. And although add some stones and pebbles above from that. Together with them add some plants to the bottom of the tank. Select plants like java fern. There are more decorative ornaments to be added to a tank. 

Potential Diseases

There is no specific disease to these fish species. But they have all the common ailments as the other all fishes in freshwater. There is a disease named Ich, that may cover the whole body of the fish with white spots. If the living conditions are poor that will have arisen. Although they can’t live with the wasted water. 

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Foods & Diet

These fishes are a type of omnivores. They will eat what they are provided with. If they live in the flowing water bodies they will eat algae and insects. To protect their health and the colorful nature of the fishes a balanced diet has to be provided. Also, provide them with nutritious dry foods

Roseline shark

Roseline shark Behavior & Temperament

They are a type of peaceful fish. There won’t any trouble with balancing them. If there are any other non-aggressive fishes types the both of them can be placed together. But they show aggressive behaviors to divide the space between them. Keep in mind another fact. Sint keeps the Roseline shark with the slow swimming fishes. There would be more and more accidents will take place with the slow swimming and the Roseline sharks. 

Roseline sharks Tank Mates

While keeping them gathered, it is better to keep them as small groups. They need more social interactions. They can’t live alone. That’s why they need a companion. If you won’t find any Roseline shark Mates then explore for other fast swimming fishes and put them together. That work would be made a perfect companionship. 

Here are some tank mates for the Roseline sharks:

  • Cherry Barb
  • Larger Types Of Tetras
  • Odessa Barb
  • Apistogramma
  • Celestial Pearl Danio
  • Rainbow Fish
  • Tiger Barb
  • Rosy Barb
  • Kribensis Cichlid

Roseline shark Breeding

There are so lesser chances of the breeding done commercially. Still, there is not any method to breed them naturally. Some may well try to do this in their homes. But don’t try it. Trying for these things might cause the fish to get stressed. 

These listed all facts are only about the rare fish type named the Roseline shark. As stated here they are very rare. We should protect them. They can’t live in dirty surroundings mainly. Although those all can be handled very easily because they have a calm nature. If you have an idea to get a Roseline shark companion, please pay attention to this guide. You will get better results. 

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Best Plants For Roseline Sharks


Hornwort (Ceratophyllum demersum), also known as Coontail, is a fast-growing aquatic flowering plant. It is found in swamps, streams, and lakes in North America and is endemic to parts of Europe.

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Temperature63 – 86F (18 – 30C)
pH5.0 – 8.0
Hardness2 – 25 dKH
PlacementFloating or weighted


There are several species of pennywort, but most have similar care needs and grow rapidly. This makes them a super adaptable aquarium, as they can be grown in a wide variety and range, in or out of the water. They also make exceptional plants for summer tubes!

Temperature67 – 82 F(20 – 27 C)
pH6.0 – 7.8
Hardness3 – 25 dKH
PlacementAttached, planted, weighed down, or immersed

Java Fern

Java Fern is scientifically known as Microsorum pteropus. It is a classic and very popular aquarium. This delicate looking fern adds an elegant look to the aquarium. It is widely used because of its slow growth, unique shape, and reproductive ease and care

Temperature64 – 86F (18 – 30C)
pH5.0 – 8.0
Hardness2 – 25 dKH
PlacementAnywhere, basically


Vallisneria (named in honor of Antonio Vallisneria) is a freshwater aquatic plant. This variety is widely distributed in the tropics and subtropics of Asia, Africa, Europe, and North America.

Temperature63 – 82 F (17 – 28C)
pH6.5 – 8.5
Hardness3 – 30 dKH

Bacopa sp.

Bacopa comes in a variety of varieties and species – some more demanding than others, but the least in demand is Bacopa Carolina. It’s banned in several states due to its aggressive special status, but if you can get it, it makes a great addition to most aquariums.

Temperature59 – 86F (15 – 30C)
pH5.0 – 8.0
Hardness3 – 12 dKH
PlacementPlanted in a substrate


There are numerous species of Cabomba, the green being the easiest. It is difficult to get to certain states because, in some places, it is considered aggressive. If you can get enough of your light, it’s worth it.

Temperature72 – 82 F (22 – 27c)
pH6.5 – 7.5
Hardness3 – 12 dKH
PlacementFloating or planted