False Neon Tetra, Green Neon, Paracheirodon Simulans Care Stats

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The False Neon Tetra, also referred to as the Green Neon or Paracheirodon simulans, is a captivating fish species that has garnered considerable attention among aquarium enthusiasts. Originating from the Tupari and Jufaris rivers in Brazil, these small and visually striking fish are known for their vibrant colors and peaceful schooling behavior.

However, caring for these captivating creatures requires more than just admiration. In this discussion, we will explore the various care statistics associated with the False Neon Tetra, including their size and habitat, specific care requirements, tank setup, water parameters, and intriguing facts about their behavior and diet.

By delving into these details, we aim to provide a comprehensive understanding of how to properly care for these stunning aquatic inhabitants.

Key Takeaways

  • False Neon Tetras require a minimum tank size of 15 gallons for a single species tank with a nice school.
  • They are peaceful schoolers and generally have good compatibility with other fish species.
  • Maintaining water temperature between 68-79°F (20-26°C) and pH range of 5.5-6.5 is ideal for False Neon Tetras.
  • Providing open spaces, ample plant cover, and subdued lighting in the tank helps simulate their natural habitat and enhances their stunning colors and patterns.


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The overview of the False Neon Tetra (Paracheirodon simulans) provides a comprehensive understanding of this species, including its common name, size, habitat, and care requirements.

Commonly known as the False Neon Tetra or Green Neon, this species grows up to 1 inch (2.5 cm) in length.

It is native to the Tupari and Jufaris rivers in Brazil.

In terms of breeding habits, False Neon Tetras are known to be egg scatterers, with the female laying adhesive eggs on plants or other surfaces.

The male then fertilizes the eggs, and both parents typically do not exhibit any parental care.

As for lifespan and longevity, False Neon Tetras can live for approximately 3 to 5 years under proper care conditions.

However, the lifespan can be influenced by factors such as water quality, diet, and overall health.

Size and Habitat

Size and Habitat:

The False Neon Tetra, also known as the Green Neon, is a small freshwater fish that reaches a maximum length of 1 inch (2.5 cm) and is native to the Tupari and Jufaris rivers in Brazil. This tiny fish has unique size and breeding patterns that make it fascinating to observe.

Here are some key points regarding the False Neon Tetra's size and breeding patterns:

  • Size: The False Neon Tetra is a miniature fish, making it perfect for nano aquarium setups. Its small size allows for easy maintenance and creates a visually appealing display when kept in a school.
  • Breeding Patterns: Breeding False Neon Tetras can be challenging due to their specific requirements. They prefer dimly lit environments with soft, acidic water. Providing them with plenty of plant cover and suitable water conditions is crucial for successful breeding.
  • Habitat and Natural Behavior: In their natural habitat, False Neon Tetras inhabit slow-moving streams and flooded forest areas. They are known for their peaceful schooling behavior, staying close to plants and vegetation for protection. Replicating their natural habitat in a home aquarium can help create a stress-free environment for these colorful creatures.

Understanding the size and breeding patterns, as well as the habitat and natural behavior of the False Neon Tetra, is essential for providing them with optimal care and ensuring their overall well-being.

Care Requirements

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When caring for False Neon Tetras, it is important to consider their specific care requirements to ensure their well-being in the aquarium. These small, peaceful schooling fish have a few key needs that should be met in order to create an optimal environment for them. Here are the care requirements for False Neon Tetras:

Care Requirements Details
Tank Size Recommended minimum tank size is 15 gallons for a single species tank with a nice school
Diet Omnivorous, with a wide range of foods
Behavior Peaceful schooler
Water Water chemistry is not critical, with temperature range of 68-79°F (20-26°C) and pH range of 5.5-6.5
Care Requires open spaces and many plants, with plants subduing the lighting. Avoid hardwater and alkaline conditions to simulate their natural habitat
Communities Generally good compatibility with other fish species
Suitability Considered an intermediate level fish to care for

In terms of breeding, False Neon Tetras are not as commonly bred in captivity compared to their close relative, the Neon Tetra. However, if you are interested in breeding them, it is recommended to provide a separate breeding tank with suitable water conditions and plenty of hiding places for the eggs. As for tank mates, False Neon Tetras are generally compatible with other peaceful fish species that prefer similar water conditions. It is important to avoid aggressive or fin-nipping fish that may harm the False Neon Tetras.

Tank Setup

For creating an ideal habitat for False Neon Tetras in an aquarium, careful attention should be given to the tank setup. Here are three key factors to consider:

  • Aquarium Decorations: Provide open spaces and ample plant cover to simulate the natural habitat of False Neon Tetras. The plants will not only create a visually appealing environment but also provide hiding spots and territories for the fish.
  • Lighting Requirements: It is essential to subdue the lighting in the tank to mimic the subdued lighting conditions of their natural environment. This can be achieved by using dimmable LED lights or floating plants to create dappled lighting.
  • Water Chemistry: False Neon Tetras prefer soft, slightly acidic water conditions. Avoid hard water and alkaline conditions, as these do not simulate their natural habitat. Regular monitoring of water parameters such as temperature, pH, and hardness is crucial to maintain optimal conditions for their well-being.

Water Parameters

monitoring water quality parameters

To ensure the optimal care and well-being of False Neon Tetras, it is crucial to maintain specific water parameters in the aquarium. False Neon Tetras thrive in ideal water conditions that mimic their natural habitat.

Water chemistry plays an important role in their overall health and longevity. Maintaining a temperature range of 68-79°F (20-26°C) and a pH range of 5.5-6.5 is recommended. These parameters provide a comfortable and stable environment for the fish.

It is also essential to avoid hardwater and alkaline conditions, as this can adversely affect their well-being. By paying close attention to water parameters, aquarists can provide the best possible conditions for False Neon Tetras, ensuring their vibrant colors and maintaining their overall health.

Habitat and Tank Setup

False Neon Tetras require a carefully planned habitat and tank setup to ensure their well-being and to showcase their vibrant colors and patterns. Here are some key considerations for creating the ideal environment for False Neon Tetras:

  • Tank Decorations: Provide plenty of plants, such as Java moss and Amazon sword, to simulate their natural habitat. These plants not only offer hiding spots but also subdue the lighting, creating a more comfortable environment for the fish.
  • Ideal Tank Mates: False Neon Tetras are generally compatible with other peaceful fish species. Some suitable tank mates include small tetras, rasboras, and dwarf corydoras. Avoid aggressive or larger fish that may intimidate or prey on the False Neon Tetras.

False Neon Tetra Facts

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The False Neon Tetra, also known as the Green Neon, is a small freshwater fish species native to the Tupari and Jufaris rivers in Brazil. This species is known for its stunning appearance when provided with a suitable habitat. False Neon Tetras can exhibit vibrant colors and patterns, making them a popular choice for aquarium enthusiasts. They have a peaceful schooling behavior, making them suitable for community tanks.

When it comes to their breeding habits, False Neon Tetras are egg scatterers. They do not provide parental care for their eggs or fry. To encourage breeding, it is recommended to provide a well-planted tank with suitable hiding places for the eggs. The water temperature should be maintained between 75-80°F (24-27°C) and the pH level should be slightly acidic to neutral (6.0-7.0).


The behavior of the False Neon Tetra, also known as the Green Neon, is characterized by its peaceful schooling nature. These fish prefer to swim in groups, which helps them feel secure and reduces stress. Here are three key aspects of their behavior:

  • Schooling Behavior: False Neon Tetras are highly social fish and thrive when kept in schools of at least six individuals. They feel more secure and exhibit natural behavior when swimming together in a group.
  • Interactions with Other Fish: These tetras are generally peaceful and get along well with other small, non-aggressive fish species. However, they may become stressed or intimidated by larger or aggressive tank mates, so it's important to choose compatible tank mates for them.
  • Synchronization: When schooling, False Neon Tetras often swim in synchronized patterns, creating a mesmerizing display of movement in the aquarium. This behavior is not only visually stunning but also serves as a defense mechanism against predators in the wild.

Understanding the behavior of False Neon Tetras can help create a harmonious and stimulating environment for these beautiful fish.


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Neon Tetras have an omnivorous diet, requiring a wide range of foods to meet their nutritional needs. In their natural habitat, they primarily feed on small invertebrates and plant matter.

In captivity, they readily accept a variety of foods, including flakes, pellets, freeze-dried and frozen foods. It is important to provide a balanced diet to ensure their overall health and vibrant colors.

Offering a mix of high-quality flake or pellet food as a staple, supplemented with live or frozen foods such as brine shrimp, daphnia, and bloodworms, will help meet their nutritional requirements. Neon Tetras are known to have small mouths, so it is recommended to feed them small-sized food to ensure they can consume it easily.

It is also essential to feed them multiple times a day in small portions to prevent overeating and maintain water quality.

Frequently Asked Questions

Can False Neon Tetras Be Kept in a Community Tank With Other Species of Fish?

False Neon Tetras can be kept in a community tank with other fish species. They generally have good compatibility and are known for their peaceful behavior. Ideal tank mates include other peaceful species that share similar water parameters. However, it is important to monitor for potential aggression issues.

How Long Do False Neon Tetras Typically Live in Captivity?

False Neon Tetras typically live for about 3-5 years in captivity. Breeding behavior includes scattering eggs among fine-leaved plants. Best tank mates for False Neon Tetras are peaceful species that prefer similar water conditions and schooling behavior.

Are False Neon Tetras Prone to Any Specific Diseases or Health Issues?

False neon tetras are generally hardy fish and not prone to specific diseases. However, common diseases that can affect them include ich and fin rot. To prevent these diseases, maintain good water quality, provide a balanced diet, and avoid stressors such as abrupt changes in water parameters. Regular observation and prompt treatment are key to maintaining the health of false neon tetras.

What Is the Recommended Water Flow Rate in the Tank for False Neon Tetras?

The recommended water flow rate in the tank for False Neon Tetras depends on their natural habitat. These fish prefer a gentle water flow that mimics the calm rivers they inhabit. Therefore, it is important to set up the tank with a suitable water flow rate that provides a peaceful environment for them.

Are False Neon Tetras Prone to Jumping Out of the Tank, and if So, How Can This Be Prevented?

False neon tetras, also known as green neons or Paracheirodon simulans, are not particularly prone to jumping out of the tank. However, to prevent any potential escapes, it is recommended to provide a tight-fitting lid or cover the tank to ensure their safety. Additionally, when selecting tankmates for false neon tetras, it is important to choose peaceful and non-aggressive species that will not stress or harass them.


In conclusion, the False Neon Tetra is a visually stunning and peaceful fish species that is highly sought after by aquarium enthusiasts. With its vibrant colors and easy-to-maintain care requirements, this species is ideal for intermediate level fishkeepers.

By providing the appropriate tank setup, water parameters, and diet, fishkeepers can create a beautiful and natural habitat for the False Neon Tetra. Its peaceful schooling behavior and compatibility with other fish species make it a great addition to community tanks.