Arapaima

Overview

One of the largest freshwater fish in the world, a huge air-breathing predator of the Amazon. Native to South America (Amazon), it is a popular choice among aquarists for its distinctive appearance and behavior.

History & Origin

Arapaima originates from South America (Amazon). 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

Arapaima is a giant fish, generally measuring about 2–3 m when fully grown. Its body shape and species-specific coloration make it easy to recognize among Arowanas & Giant Fish.

Temperament

Arapaima 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. Given its size, provide a spacious tank with robust filtration and room to swim. 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, Arapaima typically lives 15–20 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

Arowanas and other giant fish are showpiece species kept by dedicated aquarists for their dragon-like profile and commanding presence.