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The Neon Tetra is a small and captivating freshwater fish that has captured the hearts of aquarium enthusiasts around the world. Known for its vibrant and iridescent colors, it is one of the most popular and recognizable species in the aquarium hobby. Here is a detailed description of this stunning fish:


  1. Size: Neon Tetras are relatively small, with an average size of about 1.2 to 1.5 inches (3 to 4 centimeters) in length.
  2. Body Shape: They have a sleek, slender body with a slightly compressed shape, making them agile swimmers.
  3. Coloration: The most distinctive feature of the Neon Tetra is its striking coloration. Their body is primarily translucent, and a vivid, electric-blue stripe runs horizontally along their sides, from the tip of the nose to the base of the tail fin. Below the blue stripe, there is a contrasting crimson-red stripe that starts at the gill covers and extends to the tail.
  4. Fins: Neon Tetras have clear fins, except for the caudal fin (tail fin), which is adorned with a subtle black edge.


  1. Schooling Fish: Neon Tetras are shoaling or schooling fish by nature. They thrive when kept in groups of at least six or more individuals, as they feel more secure and exhibit their natural schooling behavior when in the company of their peers.
  2. Peaceful Nature: These fish are known for their peaceful disposition, making them ideal tankmates for other small, non-aggressive fish species. They should be kept away from larger, more aggressive tankmates that might intimidate or harm them.
  3. Active Swimmers: Neon Tetras are active swimmers and add lively movement to any aquarium. They explore all levels of the tank, from the surface to the bottom.


  1. Origin: Neon Tetras are native to the slow-moving waters of the Amazon River basin in South America, including countries like Brazil, Colombia, and Peru.
  2. Water Parameters: They prefer soft, slightly acidic water with a temperature range of 72 to 78°F (22 to 26°C). Maintaining stable water conditions is crucial for their health.

Care and Feeding:

  1. Diet: Neon Tetras are omnivorous and can be fed a diet that includes high-quality flake or pellet food, as well as live or frozen foods like brine shrimp, daphnia, and bloodworms.
  2. Tank Setup: A well-planted aquarium with hiding spots and gentle water flow mimicking their natural habitat is ideal. They appreciate a dark substrate, which makes their colors pop.
  3. Water Quality: Regular water changes and maintaining good water quality are essential for their well-being.

Breeding: Neon Tetras are challenging to breed in captivity due to their specific water requirements and the need for live foods for the fry. Breeding them often requires a separate breeding tank with meticulous care.

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