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Neon tetra, photographed on a transparent background

FreshwaterIn the market60 coinsCommon

Neon tetra

Paracheirodon innesi

A blue and red stripe that glows in low light. Best in numbers.

The Neon tetra (Paracheirodon innesi) is a tropical freshwater fish of the family Acestrorhamphidae. Adults grow to about 3.5 cm. In the aquarium it needs a tank at least 60 cm long and water at 22–26 °C.

Size
3.5 cm
Smallest tank
60 cm
Temperature
22–26 °C
Care
Easy

In the aquarium

Temperature22–26 °C
pH5.5–7.5
Hardness1–12 °dGH
Temperament
Peaceful
Diet
Omnivore
Activity
Busy
Water layer
Mid water
Group
Happiest in a group of 6 or more
Plants
Plant safe
Drawn to scale in a 60 cm tank

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

  • Nano60 cm · 65 litres32 of them
  • Standard90 cm · 180 litres90 of them
  • Wide120 cm · 300 litres150 of them
  • Living room180 cm · 650 litres325 of them
  • Showcase250 cm · 1,200 litres600 of them
  • Gallery300 cm · 1,440 litres720 of them

Who it lives with

In the wild

Water type
Freshwater
Climate zone
Tropical
Aquarium trade
Very common

Conservation status

Classification

  1. OrderCharaciformes
  2. FamilyAcestrorhamphidae
  3. GenusParacheirodon
  4. SpeciesParacheirodon innesi
  5. Described byMyers, 1936

In other languages

German
Neonsalmler
Spanish
Pez tetra neón
French
Neon
Russian
Голубой неон
Japanese
ネオンテトラ
Chinese
霓虹脂鯉

Quick answers

Neon tetra size: how big does it get?
Adults reach about 3.5 cm. Record sizes among the 13 Acestrorhamphidae species on LumaReef: 2 cm (Ember tetra) to 7.5 cm (Black skirt tetra).
Neon tetra tank size: what is the minimum?
A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.
Neon tetra water parameters: what does it need?
Temperature 22–26 °C, pH 5.5–7.5, hardness 1–12 °dGH. Close to what most Acestrorhamphidae on LumaReef need (23–28 °C).
Neon tetra tank mates: what can it live with?
It gets along with 52 of the 99 freshwater species in the catalogue, such as Black neon tetra, Glowlight tetra, and Lambchop rasbora.
Neon tetra: alone or in a group?
Keep at least 6 together.
Neon tetra and plants: is it plant safe?
Yes, it leaves plants alone.

All Acestrorhamphidae speciesAll species A–Z

Sources

Neon tetra: compiled from these references.