Goldfish is one of the most beautiful fish that you can see in almost all houses. But do you ever wonder about your goldfish living alone Or goldfish get lonely? When I put goldfish in an aquarium bowl without other goldfish, I felt so sad for my goldfish depression.

Goldfish can live alone or without other fishes. Provide a healthy environment for the goldfish to get happy. Use high-quality water with live plants for a good aquatic environment.

In my aquarium, there are many fishes that live together. When I put Goldfish inside an aquarium, the other fishes started attacking the goldfish and the wings are broken. Then I realized and started getting more information about fishkeeping.

Goldfishes are a popular fish breed to keep a safe and pleasing environment. You can also read our detailed care guide about goldfish. There is a reason for it. Let’s know more together!

How long can goldfish live alone?

Goldfish can live alone for a long time without any fish. But if you choose one pair of goldfish in the same tank, then It will be recommended. They can live as a pair for long life.

The problem is when you add more goldfish to the same aquarium or pond, then it may lead to many problems. They may fight together or may die.

Generally, goldfishes are not aggressive, but sometimes they may fight and lead to health problems. Providing a better environment is a good idea for the long life of every fish.

What is a life span of a goldfish?

The average lifespan of goldfish is 10-15 years. But most goldfish die fast due to unhealthy food and the environment. Many people don’t know ” How to take care of goldfish for a long life span”.

They just care like fish in the aquarium. Don’t do that, Every creature has its own value in the world. Goldfish are intelligent and social animals that will attract regular seeing people like humans.

I was spending 2 hours every day for caring my pets. Try to attract them for getting stressed-free. Spend some time with pets, It’s my promise, you will get stressed-free.

What size tank do I need for 2 goldfish?

Goldfish Get Lonely

If we look into the size of a tank for goldfish, Does it matter for fish to leave in a small aquarium? Every fish have its own living space for healthy and long life.

In order to choose the aquarium tank size, will depend on the size and abilities of fishes. For example: If your goldfish has fast swimming ability, then you must choose a big-size aquarium for a suitable environment.

For a common goldfish, I’ll recommend using at least 3.5 feet long with 30 gallons of water.

I know it was too large, but it will help the growth of goldfish. But many people ask me, What will happen if put two goldfish in the same aquarium?

It was very critical to put two goldfish in the same aquarium with 30 gallons of water. Don’t do it, Add Extra 15 gallons of water for each additional goldfish.

Tank Size

You can build a fish tank according to the size listed below. Give long space for goldfish breeding and a good aquatic environment for health. The tank size was according to the big size of the goldfish about 6 inches.

If your goldfish is too small then you can decrease the size of the aquarium.

Tank SizeL x W x HFilled Weight
20 gallon High24″ x 12″ x 16″225 lbs
20 gallon Long30″ x 12″ x 12″225 lbs
25 gallon24″ x 12″ x 20″282 lbs
29 gallon30″ x 12″ x 18″330 lbs
30-gallon Breeder36″ x 18″ x 12″348 lbs
40-gallon Breeder36″ x 18″ x 16″458 lbs


If we look into the section of pairs, one pair of goldfishes are recommended to live in a single aquarium. If you put goldfish together, then it may affect the health of fish and may lead to death.

Generally, goldfishes are not aggressive but sometimes they may attack together. To avoid this, you can choose one pair to live in a single aquarium.

Try to choose the same size and type of goldfish to avoid fights between them and to get a healthy living environment.

Can goldfish get depressed

Every creature in the world has depression, but the question may be ” How can I Identify my pet have depression? As human beings, we can not identify some creatures’ stages of depression.

It was difficult to find whether your goldfish have depression. However, a study conducted by a researcher has provided some details regarding the depression of animals.

In order to identify goldfish depression, there is a way.

If you found that your goldfish are hovering around the top level of water, then we can justify that it was in a happy mood. However, if you found goldfish swimming at the bottom and spending a lot of time then it was justified as the depression.

In order to avoid depression, you can add some water plants, stones, and cages to feel good. Providing a good aquatic environment is a good way to reduce the depression of goldfish.

Can goldfish live alone in a bowl?

Goldfish Get Lonely

Goldfish can live alone in a bowl. However, if you put goldfish in a bowl then it could affect their lifespan of goldfish. So it’s better to put goldfish in a big aquarium or tank with a beautiful aquatic environment for a healthy and long lifespan.

In most cases, the goldfish produce a lot of waste and it could harm the health of fish. Now you got an Idea for keeping the goldfish in the bowl will affect their health and reduce their lifespan of fish.

You can choose a large aquarium for goldfish and it will increase the lifespan of goldfish. However, If you have a bowl, then it is not a big problem. change water after every 5 days for increasing the lifespan of fish.

Can Oranda goldfish live alone?

Goldfish Get Lonely

Oranda goldfish is a popular variant of goldfish. When I saw the oranda goldfish in the pet shop, I bought it for my house and build a new aquarium with a 50-gallon capacity tank for oranda goldfish.

Every type of goldfish can live alone or without pair. You must provide a better aquatic environment setup for healthy fish in a happy mood.

Oranda goldfish can grow up to 12 inches, So you must build an aquarium with that preference. Try to use a filter for cleaning the water because oranda fishes can produce a lot of waste.

What does a happy goldfish look like?

We cannot provide a better confirmation of happy goldfish, after researching a lot. I just found a way to find a happy goldfish. You can see the goldfish swimming consistently on the top water level. It was a sign of what happy goldfish look like.

The appearance of the goldfish will shine. If your goldfish are not well or in depression, try to provide a good-looking aquatic environment for goldfish. This would change the appearance of the goldfish’s dull mood.

Another way to make goldfish happy.

Put a pair or another goldfish of the same size for attraction. Goldfishes are social animals, so they need to get a friend.

These are the better ways to make a goldfish happy.

Why is my goldfish less active?

Many people have seen the goldfish laying on the bottom for a long time. Did you ever think, about why the goldfish is laying down at the bottom of the tank?

It was due to the stress feeling of the goldfish, The goldfish will hand on the bottom of the tank for a while. In most cases, It was due to the low quality of water or food. Over-pollution may lead to goldfish health.

The better option is to provide quality water and good nutritious food to increase the lifespan of the goldfish.

Loudness can be part of it. In you’re home, people may make a huge noise and it may affect the goldfish’s stress and lead to many problems. Goldfish are looking for a better and noise-less environment for living.

How do you cheer up or entertain a goldfish?

There are a lot of ways to entertain a goldfish. But most people are not caring about goldfish. However, you can entertain the goldfish in different ways such as by adding gravel to the aquarium.

Planting water plants for a better environment.

Goldfish Get Lonely

You can make fishes happy with an aquarium setup. Planting new water plants and adding stones to the aquarium will make fish happy. Try to build a large aquarium for a beautiful setup. Live plants have many benefits, but many people don’t know that.

Live plants will increase the water quality and remove the algae growth from the aquarium.

Live plants have the ability to produce oxygen during daylight and it can be used by fish. It will also help to stabilize the water pH level.

Plants will help the newly-hatched fry to hide and grow.

Improving the quality of water

The second type of making the goldfish happy is by improving the quality of water. If you provide good quality water to your fish, It could increase their health and lifespan of the fish.

  • Use only purified water
  • Don’t overfeed
  • Test water pH level
  • Change water according to a periodic table.
  • Cleaning the water according to a timetable

Feeding nutritious food

In order to keep goldfish healthy, feed nutritious food such as Zucchini, broccoli, potatoes, and peas are great choices just remember to boil or blanch them first for easy feeding. Green foods are always good for sick fish but don’t overfeed them.

Are you looking for a good feed, don’t worry buy tetra goldfish feed now!

Increasing the level of oxygen in the aquarium

To increase the level of oxygen in the aquarium, you need to fix an air pump for providing oxygen to the aquarium. However, there are lots of ways to increase the oxygen of the aquarium.


As a fishkeeper, you need to notice everything about your pet. Some of the important things that you need to consider are Feeding properly with a time and limit, changing water if you found waste pollution, try to plant live plants for removing the algae.

There are more tips too that can be in the next post.

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