Neon Tetra Care Guide
Paracheirodon innesi
Use a sharp, accurately identified Neon Tetra photo in a natural freshwater aquarium setting.
Key Takeaways
- Neon Tetra needs at least 10 gallons, with 20 gallons preferred.
- Keep water between 22-26°C and pH 6-7.
- Keep a group of at least 6 to reduce stress.
Quick Facts
Care Overview
Neon tetras are one of the most popular freshwater fish due to their vibrant blue and red coloring. They are small, peaceful schooling fish that look best in groups.
Ideal Tank Setup
Show the recommended 10+ gallon setup, substrate, hiding spots, and swimming area for Neon Tetra.
A 10+ gallon planted tank with subdued lighting. They prefer slightly acidic, soft water. Include floating plants and driftwood to mimic their natural habitat. Keep in groups of 6 or more.
Diet and Feeding
Small flake food or micro pellets as a staple. Supplement with frozen or live daphnia, brine shrimp, and bloodworms. Feed small amounts 2-3 times daily.
Best Tank Mates
- Other tetras (cardinal, ember)
- Corydoras
- Rasboras
- Shrimp
- Dwarf gouramis
Fish to Avoid
- Large fish that may eat them
- Aggressive species
- Goldfish
Common Problems
- Neon tetra disease (incurable)
- Fading color from stress
- Loss of appetite
Common Beginner Mistakes
- Using a tank smaller than 10 gallons, which makes water quality harder to keep stable.
- Ignoring adult size, group size, or temperament when choosing tank mates.
- Changing too much water or filter media at once before checking ammonia and nitrite.
Frequently Asked Questions
How many neon tetras should I keep?
At least 6, but 10 or more is better. They are schooling fish and feel stressed in smaller groups.
Related Tools
Sources and Review Process
- Freshwater aquarium husbandry references for water quality, tank size, and stocking guidance.
- Species profiles and compatibility rules maintained in the TankWise data set.
- Aquarium health guidance is educational and should not replace an aquatic veterinarian for severe symptoms.
More Neon Tetra Guides
White spots on neon tetras are often ich, especially if spots look like grains of salt. Act early and check all fish in the tank.
Compatibility verdict: possible (65/100).
Compatibility verdict: good (95/100).
Compatibility verdict: good (90/100).
Compatibility verdict: not recommended (20/100).
White spots are usually Ich (white spot disease), a common parasitic infection. Early treatment is important.