🐠 Fish & Amphibians

Neon Tetra

Glowing blue-and-red schooling fish.

Neon tetras are peaceful schooling fish that shine in planted community tanks. Keep them in groups of six or more.

Lifespan5–8 years
SizeTiny · 1.5 in
Care levelEasy
Typical cost$10–20 / month
Great for
Community tanksPlanted aquariumsPeacefulSchoolingShy
Neon Tetra

Photo: Holger Krisp · CC BY 3.0 · Wikimedia Commons

Care guide

Daily care

10–20+ gallons, fully cycled, 72–78°F, soft water and plants.

Micro pellets or flakes plus frozen foods.

Open swimming space with plant cover.

Weekly partial water changes.

Health

Common health concerns

Know what to watch for. Early detection makes most of these far easier and cheaper to treat.

  • Neon tetra disease
  • Ich
  • Fin rot
  • Columnaris
Veterinary care

Vet visits

Aquatic vet or experienced fish store; test water first.

Find a vet near me

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This guide is general information, not veterinary advice. Costs are rough U.S. estimates for food, supplies and routine care. Always consult a licensed veterinarian about your pet’s needs.