Jul 08, 2025

10 Aquarium Fish That Live the Longest

Lifestyle Desk

Goldfish (freshwater) have a lifespan of 10–20 years.

It is one of the most popular aquarium fish.

Source: pexels

Koi Carp live for 25–35 years.

These are coloured varieties of carp that are kept for decorative purposes in outdoor koi ponds or water gardens.

Source: pexels

Angelfish (Freshwater) live for 10–12 years

They belong to the family Cichlidae and are known to most aquarists as angelfish. They are considered peaceful.

Source: pexels

Clownfish (Saltwater) have a lifespan of 6–10 years.

They are known for their recognisable colour patterns and social nature.

Source: pexels

Bettas (Siamese Fighting Fish) have a lifespan of 3–5 years

Bettas are popular fish due to their colour variety and ease of care, although the males must be kept separated from other bettas.

Source: pexels

Discus Fish live for 10–15 years.

They are known for their distinctive shape and calm behavior and are popular as freshwater aquarium fish.

Source: pexels

Corydoras Catfish live for 5–10 years.

Corydoras are small fish, ranging from 2.5 to 12 cm. They have diversity in body shapes and colouration.

Source: pexels

Oscar Fish live for 10–15 years.

Oscar fish can live in the aquarium with almost any type of fish around the same size.

Source: pexels

Plecostomus (Pleco) have a lifespan of 10–15 years

They are often purchased for their ability to clean algae from fish tanks.

Source: pexels

Rainbowfish have a lifespan of 5–8 years.

These peaceful and colourful freshwater fish are known for their shimmering, rainbow-like scales. They grow in groups and prefer clean, well-oxygenated aquariums with plenty of swimming space.

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