Blue Neon Rasbora: Peaceful Nano Fish With Tiny Mouths

Blue Neon Rasbora is a freshwater fish quickly gaining popularity among aquarium enthusiasts. These small and vibrant fish, native to Southeast Asia, have eye-catching blue coloration, making them a stunning addition to any aquarium.

The Rasbora is a peaceful fish that is easy to care for, making it an excellent choice for beginners and experienced hobbyists. Here, we will delve deeper into the beauty of Rasbora and explore what makes them so unique. We will look at their natural habitat, diet, and behavior and provide tips on maintaining a healthy and thriving aquarium environment for them.

We will also discuss their compatibility with other fish species and highlight some of the best tank mates for Rasbora. Whether you want to add a pop of color to your aquarium or learn more about these fascinating fish, this blog post is for you.

Blue Neon Rasbora

A Detail Guide About Blue Neon Rasbora & How Can You Raise Them

A Detail Guide About Blue Neon Rasbora & How Can You Raise Them

Aquarium enthusiasts highly seek Rasbora for its stunning blue colouration, peaceful nature, and easy-to-care-for temperament. These small fish are native to Southeast Asia and commonly found in rivers and streams throughout the region.

Making them a popular freshwater fish. The Blue Axelrodi Rasbora is a schooling fish, meaning they prefer to live in groups of six or more. Relatively small, they grow to only about an inch in length. You should keep them in a tank that is at least 10 gallons.

They are also very active and enjoy swimming around, so it’s important to provide plenty of space for them to move about. In terms of diet, the Blue Neon Rasbora is an omnivore and enjoys a variety of foods, including flakes, pellets, and frozen or live foods. This fish is also popular as Blue Axelrodi Rasbora fish.

A Great Aquarium Fish

This tiny fish species originating from Myanmar is part of the Cyprinidae family. Mainly characterized by its bright blue and yellow stripes running along its body. It can grow up to 2.5 centimeters in length, making it a popular choice for small aquariums. One of the most striking features of the Blue Neon Rasbora is its small mouth, which is perfectly adapted to eat small insects and invertebrates found in its natural habitat.

In captivity, they can be fed a varied diet of high-quality flakes, frozen or live brine shrimp, and daphnia. The Blue Neon Rasbora is easy to care for and is a peaceful fish that can coexist with other small and peaceful species. This nano fish is a great addition to any planted aquarium, providing a vibrant and lively display.

Natural Habitat And Range

Natural Habitat And Range

The Blue Neon Rasbora, also known as the Paracheirodon innesi, is a popular freshwater fish species native to the Amazon Basin in South America. People often keep this small and vibrant fish in aquariums for its stunning blue colouration, highlighted by a bright neon stripe along its body.

The Rasbora inhabits various habitats in the wild, ranging from slow-moving streams and rivers to flooded rainforest areas. Its natural habitat and range include countries such as Brazil, Peru, and Colombia.

In the wild, Rasbora prefers to live in densely vegetated areas with slow water currents. This allows the fish to hide from predators and provides a food source in the form of small insects and other invertebrates. In aquariums, replicating these natural conditions is important to ensure the fish’s health and well-being.

Physical Characteristics

The blue rasbora is a small freshwater fish belonging to the Cyprinidae family. It is a beautiful fish with a striking blue and silver coloration, making it stand out in any aquarium. The physical characteristics of the rasbora include a slender body and a forked tail. It has two barbels on its mouth, which help it to locate food in the substrate.

The rasbora is a peaceful fish that does well in groups of six or more. It is a schooling fish that prefers to swim in the middle and upper levels of the aquarium. One of the most striking features of the blue rasbora is its blue colouration. The blue color comes from the iridophores that are present in its skin. These iridophores reflect blue light, giving the fish its characteristic blue color.

Behavior And Temperament

The Blue Axelrodi Rasbora is a popular freshwater fish in the aquarium hobby due to its vibrant blue coloration and peaceful temperament. These fish are popular for their active swimming behaviour, darting back and forth in the middle and upper levels of the tank. They are also social creatures and prefer to be kept in groups of at least six individuals.

When kept in a group, the Blue Axelrodi Rasbora will exhibit playful and curious behavior, exploring their surroundings and interacting. While they are generally peaceful, it is important to note that the Rasbora can be timid and easily intimidated by larger or more aggressive fish. It is best to keep them with other peaceful community fish similar in size and temperament. They are also sensitive to water conditions and require a well-maintained aquarium with a pH between 6.0 and 7.5.

Tank Setup And Requirements

Tank Setup And Requirements

Setting up the perfect tank for your Paracheirodon innesi requires attention to detail and consideration of their specific requirements. You must provide a spacious aquarium with plenty of hiding spots and swimming areas for these small, brightly colored fish, known for their active and social nature.

To start, you’ll need a tank with at least 10 gallons of water, with a filter and heater, to maintain a consistent temperature and keep the water clean. The ideal water temperature for rasboras is 72-80 degrees Fahrenheit, with a pH range of 6.0-7.0.

We recommend using a fine gravel or sand substrate and adding plenty of plants and decorations for the fish to explore and feel secure. Paracheirodon innesi are schooling fish, so it’s best to keep them in groups of at least six to eight individuals to prevent stress and promote social behaviour.

Water Conditions And Filtration

The blue rasbora is a popular aquarium fish due to its vibrant blue coloration and small size. However, to ensure the health and well-being of these fish, it is important to maintain proper water conditions and filtration.

Blue rasboras are relatively hardy and can tolerate a range of water parameters, but they prefer slightly acidic water with a pH of around 6.5-7.0. They also require a well-filtered aquarium with a gentle flow, as they are sensitive to high levels of nitrates and ammonia.

A good filtration system can help to remove these harmful substances and keep the water clean and clear. In addition to proper filtration, it is important to perform regular water changes to maintain water quality. A 25% water change every week is recommended, as this helps to remove excess nutrients and keep the water fresh. When introducing new rasboras to an aquarium, it is important to acclimate them slowly to prevent stress and disease.

Feeding Blue Axelrodi Rasbora

Blue Axelrodi Rasbora is a small and colorful freshwater fish that is popular among aquarium enthusiasts. This fish is known for its vibrant blue color, which stands out in any aquarium. To keep Blue Axelrodi Rasbora healthy and happy, providing them with a nutritious diet is important.

Feeding Blue Axelrodi Rasbora can be quite easy, as they are not picky eaters and will readily accept a variety of foods. However, it is important to ensure that their diet is well-balanced and meets their nutritional needs.

Blue Axelrodi Rasbora can be fed a combination of dry and live foods, such as flakes, pellets, and frozen or live brine shrimp. These fish are omnivores, requiring a mix of plant- and animal-based foods. Blue Axelrodi Rasbora feeds on small invertebrates, algae, and other plant matter in their natural habitat.

Tankmates Compatibility

Tankmates Compatibility

Regarding the Blue Axelrodi Rasbora, Tankmate’s Compatibility is an important consideration for any aquarium enthusiast. These small, vibrant fish with striking blue coloration are popular choices for community tanks. However, choosing tankmates that won’t harm or stress out these peaceful fish is important.

Some great options for tankmates include other small, peaceful fish like tetras, guppies, and corydoras. These fish are all similar in size and temperament to the Blue Axelrodi Rasbora, making them great companions for a harmonious community tank. However, avoiding larger or more aggressive fish that may try to bully or eat the Rasboras is important. For example, angelfish, cichlids, or larger barbs should avoid.

Compatibility With Other Fish Species

The Blue Axelrodi Rasbora generally peacefully coexists with various other species, making it a non-aggressive fish in terms of compatibility. However, it is important to keep in mind that not all fish are compatible with each other, and it is best to research and carefully choose tank mates to ensure a harmonious environment.

Some suitable tank mates for the Blue Axelrodi Rasbora include other peaceful and non-aggressive fish such as Tetras, Gouramis, and Corydoras. It is also important to provide adequate hiding places and plants for the Blue Axelrodi Rasbora to feel secure and comfortable in its environment.

Breeding Blue Axelrodi Rasbora

Breeding Blue Axelrodi Rasbora can be a rewarding experience for any fish enthusiast. These small, vibrant fish are known for their striking blue coloration and peaceful nature. The Blue Axelrodi Rasbora is a popular choice for community aquariums due to their compatibility with other peaceful species.

To successfully breed these fish, providing them with a suitable environment is important. This includes a densely planted tank with plenty of hiding places, a pH level between 6.0-7.0, and a temperature of 75-80°F.

Breeding pairs should be introduced to the tank and provided with a high-quality diet of live or frozen foods. Once the eggs are laid, they should be removed from the tank and placed in a separate container to hatch and grow without being disturbed. The fry can be fed with small food particles such as crushed flakes or baby brine shrimp.

Common Diseases And Health Issues In Blue Axelrodi Rasboras

Common Diseases And Health Issues In Blue Axelrodi Rasboras

The Blue Axelrodi Rasbora is a popular freshwater fish species that is known for its vibrant blue coloration. However, like all living organisms, they are susceptible to common diseases and health issues. One of the most common health issues in Blue Axelrodi Rasboras is Ich, a parasitic disease that causes white spots on their bodies.

Another common health issue is fin rot, which is caused by bacterial infections that can lead to the deterioration of the fins. To prevent these health issues, it is essential to maintain a clean and well-maintained aquarium with proper water parameters.

It is also important to provide a balanced diet consisting of high-quality commercial food. And live foods such as brine shrimp and bloodworms. Additionally, it is recommended to quarantine new fish before introducing them to the main aquarium to prevent the spread of diseases. Regular water changes and tank cleanings are also essential to maintain a healthy environment for Blue Axelrodi Rasboras.

In addition to these common health issues, it’s important to maintain a healthy environment for Blue Axelrodi Rasboras by ensuring the water is properly filtered and that the tank is not overcrowded. It’s also important to provide a balanced diet and to monitor the fish for any signs of illness.

Tips For Maintaining A Healthy And Happy Blue Rasbora Community

The Blue Axelrodi Rasbora has a striking blue coloration and an active personality, making it a popular freshwater fish.Keeping a Blue Axelrodi Rasbora community can be a rewarding experience for fish enthusiasts. However, maintaining their health and happiness requires effort and attention to detail.

  • Firstly, it is important to provide a suitable environment for the rasboras.
  • This includes a tank at least 10 gallons in size, with a pH level of 6.0-7.5 and a temperature range of 72-82 degrees Fahrenheit.
  • Additionally, you should decorate the tank with plants and hiding spaces to help the rasboras feel safe and secure.
  • It is also essential to provide a balanced diet for the rasboras, including a mix of flake, freeze-dried, and live foods.

Enhancing The Aesthetics Of Your Aquarium With Blue Rasboras

Adding the stunning Blue Axelrodi Rasbora can enhance your aquarium’s aesthetics. These freshwater fish are a beautiful addition to any tank with their vibrant blue and orange colouration. They are small, growing to only about an inch, but their impact is significant. They are peaceful fish and can keep in groups, making them perfect for community tanks.

Blue Axelrodi Rasboras are easy to care for and are suitable for both beginner and experienced aquarists.  They are omnivores, meaning they eat plant and animal matter, so feeding them is not a problem. They love to swim in the middle and upper levels of the tank, making them a joy to watch. Blue Axelrodi Rasboras are also known for their active behavior, which adds to the liveliness of your aquarium.

How Long Do Rasbora Fish Live?

How Long Do Rasbora Fish Live

Rasbora fish are popular for aquarium enthusiasts due to their vibrant colors and peaceful temperament. However, before considering adding these fish to your tank, it’s important to understand their lifespan. On average, Rasbora fish can live in captivity for two to five years. This lifespan can be affected by various factors such as the environment they are kept in, their diet, and genetics.

Are Rasbora Fish Aggressive?

Rasbora fish are generally known for their peaceful and non-aggressive nature. They are popular for beginners and experienced aquarists due to their ease of care and compatibility with many other fish species.

Rasboras are naturally active and curious fish that thrive in schools of at least six individuals, making them an excellent addition to any community aquarium. While rasboras are not typically aggressive towards other fish, it is important to note that individual behavior can vary depending on factors such as

  • species,
  • sex, and
  • environment.

In some cases, male rasboras may exhibit territorial behavior towards other males during the breeding season. Additionally, overcrowding or inadequate space can lead to stress and aggression in any fish species, including rasboras.

Therefore, providing a suitable aquarium environment with plenty of hiding places and swimming space is crucial to ensure the health and well-being of all fish in the tank. Rasboras are a peaceful and enjoyable addition to any aquarium community when provided with the proper care and environment.


The Blue Axelrodi Rasbora displays stunning shades of blue and silver and can be found in various habitats. They are small, peaceful fish that are perfect for aquariums. Their name comes from the blue neon stripe that runs down their bodies, making them stand out in any tank. These fish typically inhabit slow-moving streams and rivers in Indonesia.

This small freshwater fish is native to Southeast Asia and is popular for its striking blue metallic colouration and neon stripes that run along its body. These fish are known for their peaceful temperament and are ideal for community aquariums.

They are also relatively easy to care for and can keep in groups of six or more. With its bright blue and red hues, it’s hard not to mesmerize by this tiny fish. Its active nature and schooling behaviour make it a great addition to any community tank.


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