Neon Tetra Care Sheet
BeginnerParacheirodon innesi · fish
Neon tetras are small, colorful schooling fish ideal for peaceful community tanks. They require stable water conditions and a well-planted aquarium to thrive.
Quick care stats
Adult size1.5 inches
Lifespan3-5 years
Min tank size10 gallons
Water temp72-78°F
pH6.0-7.0
Hardness2-10 dGH
Temperamentpeaceful
Group / schoolingschool of 6+
Tank matesOther small peaceful fish like rasboras, corydoras, and small tetras.
DietOmnivorous; feed high-quality flake food, micro pellets, and occasional frozen or live brine shrimp 2-3 times daily in small amounts.
What you need (full setup)
🔧 10-gallon aquariumMinimum tank size for a school of neons.🔧 Hang-on-back filterProvides gentle, reliable filtration.🔧 Adjustable heaterMaintains stable temperature in the 72-78°F range.🔧 Aquarium thermometerMonitors water temperature.🔧 Fine gravel or sand substrateSoft substrate prevents injury to delicate fish.🔧 Water conditionerRemoves chlorine and chloramines from tap water.🔧 Liquid test kitMonitors pH, ammonia, nitrite, and nitrate levels.🔧 Live plants and driftwoodProvides hiding spots and mimics natural habitat.
Gear links are affiliate links — as an Amazon Associate we may earn a small commission at no extra cost to you.
Common health issues
- Neon tetra disease
- Fin rot
- Ich
⚠️ For any sign of illness (not eating, lethargy, swelling, retained shed), see a qualified exotics vet. Care sheets are general guidance only.