Neon Tetra

Paracheirodon innesi

The Neon Tetra is arguably the most popular tropical fish worldwide. Its iridescent blue stripe and red tail half make it instantly recognizable. Hardy, peaceful, and stunning in schools — it's the quintessential community fish.

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Quick Facts

Max Size1.5"

Lifespan5–8 years

Min Tank10 gal

DietOmnivore

SchoolingYes (6+)

OriginSouth America

Water Parameters

Temperature20–26°C

pH Range5–7.5

Natural Habitat

Clearwater and blackwater streams in the western Amazon basin, often in dense forest canopy shade. Naturally found over sandy substrates with leaf litter.

Region

Western Amazon Basin

Countries

Peru, Colombia, Brazil

Feeding

Accepts all standard foods — flake, micro pellets, frozen and live foods. Small mouth size means food should be appropriately sized.

Compatible Tank Mates

Good Matches

Cardinal Tetra →CorydorasCherry Shrimp →Otocinclus →Harlequin Rasbora →Dwarf Gourami →Small Plecos

Avoid

Angelfish (will eat them)Large CichlidsAggressive species

Breeding

Egg scatterer in soft, acidic water. Slightly easier than Cardinal Tetras but still challenging. Darken the tank and provide java moss or spawning mops.