Neon Tetra

Overview

A tiny brilliant fish with a glowing blue-red stripe, one of the most popular freshwater aquarium fish. Native to South America, it is a popular choice among aquarists for its distinctive appearance and behavior.

History & Origin

Neon Tetra originates from South America. It has been kept and selectively bred in the aquarium hobby for generations, producing many color forms and regional variants developed through captive breeding.

Appearance & Size

Neon Tetra is a small fish, generally measuring about 3–4 cm when fully grown. Its body shape and species-specific coloration make it easy to recognize among Cyprinids & Tetras.

Temperament

Neon Tetra shows a temperament typical of its group—largely peaceful but with individual or territorial quirks; match it with compatible tankmates and adequate cover.

Care & Husbandry

A freshwater species, it adapts well to a community or species aquarium with stable temperature, gentle to moderate current and clean, well-filtered water. Feed a varied diet of high-quality prepared foods supplemented with live or frozen items, and quarantine new arrivals before adding them to the display.

Health & Lifespan

With good water quality and a balanced diet, Neon Tetra typically lives 3–5 years in captivity. Watch for common aquarium ailments such as parasites, fungal infections and stress-related disease, and maintain stable parameters to keep it thriving.

Popularity & Recognition

Among the most diverse aquarium fishes, cyprinids and tetras include beloved staples such as goldfish, koi, neon tetras and rasboras, prized for their color, schooling behavior and adaptability.