5 Fish Breeds That Make Your Aquarium Shine for a Decade

Tanisha Kumari | Nov 10, 2025, 19:01 IST
Koi fish
( Image credit : Unsplash )
Here it introduces five freshwater fish breeds Goldfish, Koi, Angelfish, Plecostomus and Clown Loach that can live for a decade or more, making them ideal for long-term aquarium companionship. It also includes essential care tips to help these fish thrive in home aquariums.
Keeping fish at home is a peaceful and fun for fish enthusiasts as they enjoy watching these colourful fishes in clean water. But not all fishes live long so one needs to choose the right fish to keep in their aquarium who give them company for a long time.
A long living fish means more time to enjoy and bond who will make the aquarium look more beautiful and lovelier.

Goldfish

Goldfish
Goldfish
( Image credit : Freepik )

Goldfish are a popular choice for aquariums in the world, given their bright and friendly nature. Adding on to it is their long lifespan as a goldfish easily lives for 10 years or more in a clean water tank.
Goldfish love cool, fresh water tanks with good filters and they need plenty of room to swim around. Feeding them high quality fish food in right amount also helps them stay healthy. Overfeeding shortens their life so it is better to feed them just enough.

Koi Fish

Koi fish are large, bright and very peaceful fish. They are seen in outdoor ponds but are kept in big aquariums too. Koi fishes live up to 25 years or more.
These fish grow big so a koi's fish tank should be wide and deep as they need room to swim. Clean water, proper food and sunlight help them live a happy and healthy life.

Angelfish

Angelfish fish with their long fins look like dancing figure. They live up to 10 years with the right tank setup and care routine. Freshwater angelfish are loved for their unique shapes and calm swimming style.
They prefer swimming in a warm tank with good water conditions and a balanced diet of both plant and meat based foods.

Plecostomus (Pleco)

Plecostomus
Plecostomus
( Image credit : Freepik )

Plecostomus fishes keep their tank clean by eating the algae on the walls of the water tank. Plecos live for 10 to 15 years easily in right conditions.
Plecos are smart fishes who hide during the day and are more active at night. The need different decorations or stones in their tanks to help them hide behind.

Clown Loach

Clown loaches are bright orange creatures with black stereotypes who love playing and staying in groups. A clown loach lives for more than 10 years with good care.
They need warm and clean water tank. And always keep them in small groups and they like socializing. Feed them a mix of live, frozen and sinking foods help with their growth.

Care Tips for Long Living Freshwater Fish

For fish to live longer always keep the water clean and change the water in the tank every week to remove waste and toxins.
Use a good filter that keeps the water fresh and clean. Feed the fish the right type and amount of food. Too much food makes the water dirty and harms the fish.
Always check the water temperature because many freshwater fish get sick when the water is too cold and too hot.

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Frequently Asked Questions (FAQs)
  1. What is the king of aquarium fish?
    Discus fish is the king of aquarium.
  2. How long do tetra fish live?
    Tetra fishes live for 5 to 10 years with proper care.
  3. What fish can live for 200 years?
    Koi fish is said to live for 200 years.

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