Information, Barbs, Cyprinids, Freshwater fish, Species

Arulius Barb Care: Tips for Happy Fishkeeping

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by Jason Matthews



Arulius Barb is a vibrant and fascinating species of fish that makes for a wonderful addition to any aquarium. Whether you are a beginner or an intermediate pet fish owner, you will be amazed by this beautiful fish’s unique characteristics and behaviors.

With its striking appearance and lively personality, the Arulius Barb will surely add a touch of color and excitement to any tank.


Scientific Name: Puntius arulius
Common Names: Arulius barb
Life Expectancy: 3-5 years
Adult Size: Up to 4.7 inches (12 cm)


HabitatFast-moving streams and rivers
OriginIndia, Bangladesh, Myanmar
Care LevelBeginner
TemperamentActive and peaceful schooling fish
DietOmnivorous, will eat flakes, pellets, and live/frozen foods
Tank LevelMid-level swimmer
Minimum Tank Size20 gallons (75 liters)
Water pH6.0-8.0
Water Temperature72-79°F (22-26°C)
Water HardnessSoft to slightly hard
LightingLow to moderate
Tank MatesPeaceful community fish such as tetras, rasboras, and dwarf gouramis

Fun Fact Corner

The Arulius Barb is known for its playful behavior and active swimming habits. They are constantly on the move, flitting about the tank and adding a lively touch to any aquarium.

These barbs are known for their playful disposition and are sure to bring a smile to the face of any fish keeper. Whether darting through a school of tankmates or playing hide-and-seek among the plants, the Arulius Barb is a species that always brings excitement to the aquarium.


The Arulius Barb is a freshwater species native to the rivers and streams of Asia, particularly in India. This species is known for its hardiness and adaptability to various environmental conditions, making it a popular choice among aquarium enthusiasts worldwide.

The Arulius Barb was first discovered and described by scientists in the 19th century and has since become one of the most sought-after species in the aquarium trade. With its vibrant colors and active behavior, the Arulius Barb will surely bring excitement and beauty to any home aquarium.

Appearance & Size

The Arulius Barb is known for its bright and vibrant appearance, with a metallic sheen on its scales that shimmers in the light. The fish can range from deep red to golden yellow, with black stripes running vertically down its body.

These striking colors and patterns make the Arulius Barb a visually appealing addition to any aquarium. The fish has a relatively slim and elongated body shape, with a slightly rounded belly and a forked tail.

The Arulius Barb is a small species, typically reaching a maximum size of around 4 inches in length. With its distinctive appearance and vibrant colors, the Arulius Barb will make a bold statement in any home aquarium.

Due to its relatively small size, the Arulius Barb is well-suited for smaller aquariums, making it an ideal choice for hobbyists with limited space. The small size of the Arulius Barb also makes it easier to care for and maintain in the home aquarium, making it a great choice for beginner to intermediate fish keepers.


The gender of the Arulius Barb can be determined by examining its physical characteristics and behavior.

The male Arulius Barb is typically larger and more colorful than the female, with more intense coloration and pronounced finnage.

The female Arulius Barb is usually plumper, especially during the breeding season, when she will be full of eggs. In some cases, the differences in coloration between male and female Arulius Barbs can be quite pronounced, making it relatively easy to differentiate between the sexes.

It is important to note that the gender of the Arulius Barb can sometimes change during its lifetime, especially if it is housed in a group with other individuals of the same species.

Understanding the differences between male and female Arulius Barbs can be helpful for fishkeepers looking to breed the species or for those interested in creating a well-balanced and diverse community of fish in their aquarium.


The behavior of the Arulius Barb is active, curious, and social, making it a wonderful addition to any community aquarium.

These fish are known for swimming in tight schools and exploring their surroundings, bringing energy and movement to the tank.

The Arulius Barb is a relatively peaceful species compatible with various other fish species, provided they are not aggressive or territorial. In the home aquarium, the Arulius Barb will typically swim near the top of the tank, where it can take advantage of any surface agitation and oxygenation.

This active and energetic behavior makes the Arulius Barb a joy to observe and a popular choice among fish keepers.


When it comes to choosing tankmates for the Arulius Barb, it is important to consider the size, temperament, and water requirements of the other fish species in the tank.

The Arulius Barb is a peaceful species well-suited to life in a community aquarium, provided its tankmates are also peaceful and non-aggressive.

Some good tankmate options for the Arulius Barb include:

It is important to remember that compatibility between different fish species can vary, so it is always a good idea to carefully research each species and observe the interactions between fish in the tank.

A well-planned community aquarium with compatible tankmates will create a more harmonious and natural-looking environment for the Arulius Barb, as well as providing the fish with plenty of opportunities for social interaction and exercise.

Tank conditions

The Arulius Barb is a relatively hardy species that is well-suited to life in the home aquarium. These fish prefer a water temperature of around 72-82°F, with a pH range of 6.0-7.5. The Arulius Barb is also sensitive to poor water quality, so it is important to maintain regular water changes and monitor the ammonia, nitrite, and nitrate levels in the tank.

To create a suitable habitat for the Arulius Barb, it is recommended to provide plenty of hiding places in the form of rocks, plants, or other decors. A well-planted aquarium with various structures and hiding places will not only help the Arulius Barb feel more secure but also create a more attractive and natural-looking environment for the fish.

A good filtration system is also essential for maintaining water quality and health for the Arulius Barb and any other fish species in the tank.


When it comes to the diet of the Arulius Barb, these fish are omnivores that will feed on various foods in the wild and the home aquarium. Arulius Barbs feed on small insects, crustaceans, and other small invertebrates in their natural habitat. In the home aquarium, these fish will readily accept a variety of dried, frozen, and live foods, including flake food, pellet food, brine shrimp, daphnia, and bloodworms.

To ensure optimal health and well-being for the Arulius Barb, it is important to provide a balanced and varied diet that meets all of the fish’s nutritional needs. Feeding the Arulius Barb two to three times a day is recommended, providing only as much food as the fish can consume in a few minutes. Overfeeding should be avoided, as it can lead to poor water quality and a build-up of waste in the tank.

It is also a good idea to provide some live or frozen foods as part of the diet, as these will help provide the Arulius Barb with the nutrients and vitamins it needs for good health and vitality. Variety in the diet will also help keep the Arulius Barb interested and engaged and prevent boredom and food-related health problems.


Breeding Arulius Barbs in the home aquarium can be a rewarding experience for the avid fish keeper. These fish are not known to be particularly difficult to breed, and with proper care and attention, breeding success can be achieved relatively easily.

In terms of breeding conditions, it is recommended to provide the Arulius Barb with a spacious and well-maintained tank with a temperature range of 76 to 80°F, a pH range of 6.5 to 7.0, and a hardness range of 10 to 20 dGH. The water should be kept clean and well-oxygenated, and the tank should be fitted with plenty of hiding places and areas of shelter to promote spawning.

To encourage breeding, it is also recommended to provide the Arulius Barb with a varied diet that includes live and frozen foods, and to make sure that the water conditions are optimal for breeding. If the water conditions are not right, breeding may not occur.

When breeding the Arulius Barb, it is a good idea to introduce a group of at least six individuals to the breeding tank and to monitor the fish’s behavior closely. If breeding is successful, the female Arulius Barb will lay her eggs on flat surfaces in the tank, and the male will then fertilize the eggs. The eggs will hatch in approximately 24 to 36 hours, and the fry will be free-swimming within a few days.

In conclusion, breeding Arulius Barbs can be a fascinating and rewarding experience for the avid fish keeper. With proper care and attention, these fish can be successfully bred in the home aquarium, providing the keeper with a new generation of healthy and vibrant Arulius Barbs.


The Arulius Barb is a hardy fish species that is relatively disease-resistant. However, proper water conditions and diet can prevent the onset of common fish diseases. Some of the most common diseases that can affect this species are Ich, Fin Rot, and Swim Bladder Disorder.

It is crucial to keep a close eye on the behavior and appearance of your Arulius Barbs and take action as soon as you notice any signs of illness. Regular water changes and a healthy diet can help prevent the occurrence of diseases.

In case of an outbreak, it is best to consult a veterinarian specializing in fish health. To keep your Arulius Barbs healthy and thriving, it is important to maintain a clean and well-maintained tank environment and to provide a balanced diet that meets their nutritional needs.


Jason Matthews

My name is Jason Matthews, and welcome to my website. When other kids were bragging about how their dog could sit and roll over, I was bragging about my latest Betta Fish and the cool sea castle I just added to his aquarium. 

Jason aquariume

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