A photo of Neon tetra

Neon tetra

Paracheirodon innesi

Neptune’s rating:

79
Check Compatibility
  • AffordabilityAffordable
  • Aggression LevelVery Peaceful
  • Breeding AggressionNo Change In Behaviour
  • Conservation StatusLeast Concern
  • DifficultyEasy
  • HardinessResilient
  • Length2.0 - 3.3 cm
  • Liters per Fish4 L
  • Maintenance LevelLow Maintenance
  • pH5.5 - 7.0
  • PopularityVery Popular
  • RarityRare
  • Minimum School Size6
  • Tank HabitatMid-water, Surface Dweller, Mid-tank Dweller, Bottom Dweller
  • Temperature21.0 - 26.0 °C
  • Territorial BehaviourMildly Territorial

Please note: These values are based on the average of various confirmed sources.

More about Neon tetra

The Neon Tetra is a small, vibrantly colored freshwater fish known for its striking electric blue body and vivid red tail. Originating from South America, specifically the Amazon basin, it features a sleek, torpedo-shaped body, making it an eye-catching addition to aquariums. Neon Tetras are extremely popular in the aquarium hobby due to their brilliant colors, peaceful nature, and ease of care, making them ideal for community tanks.

Did you know?

Neon Tetras' colors fade at night and return during active periods or daylight.

Frequently asked questions

Neon Tetras typically have a lifespan of around 5 to 10 years in a well-maintained aquarium. However, their lifespan can vary depending on several factors, including the quality of their environment, diet, and overall care. Providing optimal water conditions, a balanced diet, and regular tank maintenance can help maximize their lifespan. It's also important to note that they are a schooling fish and tend to thrive better in groups, which can also positively impact their health and longevity.

Neon tetras are peaceful and vibrant fish that thrive in a community tank setting, making them ideal candidates for a 20-gallon aquarium. When pairing other fish with neon tetras, consider species that share their peaceful nature and similar water conditions. Good companions include other small tetras such as cardinal tetras and ember tetras, which enjoy similar soft, acidic water. Dwarf gouramis and honey gouramis are also excellent choices due to their calm demeanor. Corydoras catfish can be added to keep the bottom of the tank clean, while a few harlequin rasboras can add more activity and color to the middle and upper parts of the aquarium. It’s essential to avoid larger or aggressive species that might bully or eat the small neons, such as large cichlids or aggressive barbs. Always ensure that the tank is well-planted with plenty of hiding spots to mimic their natural environment and reduce stress for all inhabitants.

Neon tetras hiding frequently can be due to several reasons, often linked to their environment or health. First, check the water quality, as neon tetras are sensitive to changes in water parameters; ensure ammonia and nitrites are at 0 ppm, and nitrates are low. The tank setup is also crucial—neon tetras prefer a habitat with plenty of plants and dim lighting to mimic their natural Amazonian environment; an overly bright tank or one lacking sufficient cover can make them feel exposed and stressed. Additionally, consider the dynamics with tank mates; neon tetras can become stressed if housed with larger or more aggressive fish. If the tetras are new to the tank, they might initially hide as they acclimate, but persistent hiding could indicate health issues or discomfort. Regular checks and maintenance of the tank conditions can help minimize stress and provide a secure environment for your neon tetras.

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