Neon tetra care

Neon tetra
Water temperature
72–79°F

Neon tetras do best at 72–79°F and pH 6–7. Plan on 10 gallons or more. Good tank mates include bettas, guppies, tiger barbs.

Small enough to fit in an angelfish's mouth. Keep six or more.

Paracheirodon innesi

pH
6–7
Minimum tank
10 gal
Adult size
1.5 in
Temperament
Peaceful
Group
Groups of 6+
Lifespan
5–8 years
Swims at
Middle
Diet
Omnivore

Best tank mates

Full neon tetra tank mate chart: 51 yes, 27 with care, 20 no

Neon tetra water compared

55°60°65°70°75°80°85°90°Neon tetra 72–79°Betta 76–82°Guppy 72–82°Tiger barb 72–81°Harlequin rasbora 72–80°Zebra danio 65–77°
Neon tetra next to its best tank mates. Overlap is what lets two species share a heater setting.
456789Neon tetra 6–7Betta 6.5–7.5Guppy 6.8–7.8Tiger barb 6–7.5Harlequin rasbora 6–7.5Zebra danio 6.5–8
pH range. Tap water in most US cities sits between 7 and 8.
Neon tetra · 1.5 inBetta · 2.5 inGuppy · 2 inTiger barb · 3 in0"1"2"3"4"5"6"
Adult size to scale.

Fish to keep away from neon tetras

More tetras and characins

Questions

What temperature do neon tetras need?

72–79 °F. Keep it steady with a heater.

What size tank does a neon tetra need?

At least 10 gallons for a group. Adults reach about 1.5 inches.

How many neon tetras should I keep?

Groups of 6+. They are schooling fish and stress when kept alone.

What fish can live with neon tetras?

Bettas, Guppies, Tiger barbs, Harlequin rasboras, Zebra danios, Glofish, among others. See the full list of 51 good matches.