
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
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
Gets along52 species
- Black neon tetra
- Glowlight tetra
- Lambchop rasbora
- Guppy
- Endler's livebearer
- Lemon tetra
- Penguin tetra
- Harlequin rasbora
- Galaxy rasbora
- Odessa barb
- Ember tetra
- Emperor tetra
- Zebra danio
- Cherry barb
- Platy
- Black skirt tetra
- Diamond tetra
- Silver hatchetfish
- Pearl danio
- Bronze corydoras
- Dwarf gourami
- Molly
- Scissortail rasbora
- Giant danio
Caution35 species
Narrow shared temperature range
- Green neon tetra
- Cardinal tetra
- Chili rasbora
- Gold barb
- Boesemani rainbowfish
- Freshwater angelfish
- Koi
- Rummynose tetra
- Threadfin rainbowfish
- Sterbai corydoras
- Hillstream loach
- Checkerboard cichlid
- Cockatoo cichlid
- Rosy barb
- Kuhli loach
- Kribensis
- Pearl gourami
- African butterflyfish
- Red rainbowfish
- Moonlight gourami
- Severum
- Clown loach
- Frontosa
- Oscar
- Black ghost knifefish
Not together12 species
Aggressive with peaceful
Water temperatures do not overlap
In the wild
- Water type
- Freshwater
- Climate zone
- Tropical
- Aquarium trade
- Very common
Conservation status
Classification
- OrderCharaciformes
- FamilyAcestrorhamphidae
- GenusParacheirodon
- SpeciesParacheirodon innesi
- 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.
Similar species
Sources
Neon tetra: compiled from these references.









