Can Goldfish Live Together? Let’s Clear Up All the Confusion

Can you put two goldfish together? Are you looking for guidance on whether or not goldfish can live together in harmony? With all the conflicting information about aquariums and fish species, it can be challenging to get a straight answer.

This blog post will clear up any confusion and provide accurate information so that you can make an informed decision when considering if your goldfish should lead separate lives or if they could share one living space.

Do goldfish need tank mates

Can you put 2 goldfish together? By breaking down the facts into easily understandable chunks with lots of helpful pointers, we’ll settle this age-old debate once and for all!

Can Multiple Goldfish Live Together?

Can two goldfish live together? The short answer is yes, they can. Goldfish are social creatures and generally do well when kept in groups. However, this doesn’t mean that all goldfish should live together.

There are certain factors to consider when pairing up your fish, such as the size of the tank, the temperament of your fish, and other fish species. It’s essential to keep these things in mind when deciding to house two or more fish together.

Do Goldfish Live in Groups?

Yes, goldfish are social creatures and can live in groups. In the wild, they form loose shoals, which provide safety in numbers from predators. In captivity, goldfish can also benefit from living in groups, as it can reduce stress and boredom and encourage more active and playful behavior.

However, it is important to note that not all goldfish species are equally suited to group living. Fancy goldfish, with their slower swimming speeds and elaborate fins, may struggle to compete with faster single-tailed varieties for food and space. Therefore, it is best to keep goldfish of similar size, shape, and swimming ability together.

Additionally, overcrowding can lead to poor water quality and health problems for your fish. Make sure your tank is large enough to accommodate all of your goldfish comfortably. A good rule of thumb is at least 20 gallons for the first goldfish and 10 gallons for each additional goldfish.

What Goldfish Can Live Together?

The compatibility of goldfish depends on several factors, including:

Species: Different goldfish species have different temperaments, space requirements, and swimming abilities. Some species, like fancy goldfish, are slow and peaceful, while others, like comets, are fast and active. Mixing species with vastly different characteristics can lead to stress and aggression.

Size: Goldfish should be kept with others of similar size. Smaller fish can be bullied or even eaten by larger ones.

Temperament: Some individual goldfish are naturally more aggressive than others. It’s important to observe their behavior and separate any fish that show signs of aggression.

Here are some general guidelines for goldfish compatibility:

Good compatibility:

  • Fancy goldfish: Lionheads, Orandas, Ryukins, Telescopes, and other fancy goldfish are generally peaceful and can be kept together.
  • Single-tailed goldfish: Comets, Shubunkins, and common goldfish are active swimmers and can be kept together.


  • Mixing fancy and single-tailed goldfish: This can be risky as the faster single-tailed goldfish may outcompete the slower fancy goldfish for food and space.
  • Black Moors: These goldfish have poor eyesight and may accidentally bump into other fish, causing stress. They are best kept with other Black Moors or in a tank with plenty of hiding places.

Always remember:

  • Introduce new fish gradually: Allow new fish to acclimate to the tank in a separate container before introducing them to the existing fish.
  • Provide enough space: Overcrowding can lead to stress and aggression. Ensure your tank is large enough for all the goldfish.
  • Monitor behavior: Keep an eye on your goldfish and separate any fish that show signs of aggression.

It’s important to research the specific needs of the goldfish species you are interested in before adding them to your tank.

What Size Tank Do You Need for 2 Goldfish?

Goldfish Tank Size: It’s vital to ensure a large enough tank for your goldfish. Generally, the rule of thumb is that you should have a minimum of 10 gallons per goldfish.

How many goldfish in a 10 gallon tank

However, if you plan to keep more than two goldfish, it’s best to increase the size of your tank accordingly. A good rule of thumb is to have 20 gallons of water for every two goldfish.

Goldfish are very active fish, so it’s essential to give them plenty of space to swim and explore. A larger tank will also reduce the amount of waste build-up, which is necessary for any fish tank.

How Many Goldfish per Gallon?

The general rule for goldfish is 1 inch of fish per gallon of water. However, this is a minimum, and more space is always better. Here’s a breakdown based on goldfish type:

  • Fancy goldfish: These have rounded bodies and slower metabolisms. Aim for 2 gallons per inch of fish.
  • Single-tailed goldfish: These are slimmer and more active. Provide at least 1.5 gallons per inch of fish.

Remember, these are just guidelines. Factors like filtration, tank shape, and individual fish behavior can influence how many goldfish can comfortably live in a tank.

Can 3 Goldfish Live Together?

Can you have 3 goldfish together? Yes! Goldfish are adept at living with each other due to their schooling behavior.

In an aquarium, three goldfish can happily coexist in a tank that is 30 gallons or larger, provided, of course, that there is plenty of oxygen and water filtration, along with enough hiding places for them to retreat from each other if they need some alone time.

Keeping these schooling fish in pairs or trios will ensure the goldfish enjoy each other’s company while still having ample space and resources to stay healthy and happy.

Will a Single Goldfish Be Lonely?

Can goldfish live alone? No, it is unlikely that a single goldfish will experience feelings of loneliness. Studies have shown that fish do not possess the cognitive abilities or emotional complexity to feel loneliness in the same way as humans or other animals.

Instead, they may experience a feeling of distress when placed in an unsuitable environment and become stressed if kept alone for an extended period.

A single goldfish can live without a companion, but it’s important to remember that even though they are solitary creatures, they still enjoy being around each other.

Do goldfish like to be alone? It is best practice to provide your fish with a companion of the same species and size so that they can interact with each other and stay healthy and happy.

Do Goldfish Do Better Alone or in Pairs?

Do goldfish do better in pairs? Goldfish do better in pairs when kept in the same tank. Social interaction is essential for goldfish, so having a companion to play and explore with can help them feel less lonely and bored.

Goldfish can also benefit from being able to compare themselves against another fish when pairing off with another individual of their species, as it allows them to increase their swimming abilities and agility through competition.

If you decide to keep goldfish in pairs, ensure you have enough space for two large tanks or one very spacious one that can adequately house both fish.

Should Goldfish be Kept in Pairs?

Are goldfish better in pairs? Goldfish can be kept in pairs, but it’s not strictly necessary for their well-being. Here are some things to consider:

Benefits of keeping goldfish in pairs:

  • Companionship: Goldfish are social creatures and can benefit from having a companion. This is especially true for single-tailed varieties.
  • Reduced stress: Having a companion can help reduce stress and boredom, which can lead to a healthier fish.
  • Increased activity: Goldfish may be more active and playful when kept with another goldfish.

Potential drawbacks of keeping goldfish in pairs:

  • Increased aggression: Some goldfish, particularly males, can become aggressive towards each other, especially during breeding season.
  • Overcrowding: Adding another goldfish to your tank can lead to overcrowding, which can negatively impact water quality and the health of your fish.
  • Breeding: If you keep a male and female goldfish together, they are likely to breed, which can lead to overpopulation and stress on the fish.

Things to consider before adding another goldfish:

  • Tank size: Make sure your tank is large enough to accommodate two goldfish comfortably. A good rule of thumb is at least 20 gallons for the first goldfish and 10 gallons for each additional goldfish.
  • Species: Some goldfish species are more prone to aggression than others. Research the specific species you have before adding another goldfish.
  • Gender: If you don’t want your goldfish to breed, it’s best to keep two fish of the same sex.

Ultimately, the decision of whether or not to keep goldfish in pairs is up to you. Just be sure to consider the potential benefits and drawbacks before making a decision.

Can You Mix Different Types of Goldfish?

Can different types of goldfish live together? Pairs of goldfish require careful consideration. While some can coexist harmoniously, others may be unsuited for each other due to their differing swimming speeds and body types.

For example, common goldfish thrive with compatible species, such as comet goldfish or shubunkins, which possess similar builds.

It is also important to note that while it’s possible to mix different types of goldfish, one species may outcompete the other for food or space. This could lead to one kind of goldfish becoming more aggressive than the other, increasing stress levels in the aquarium.

Generally, it’s safest to stick with one type of goldfish when selecting pairs. This way, you can be sure they are both getting the right food, oxygen, and space to thrive.

What Types of Goldfish Can Be Kept Together?

Goldfish can make great companions, and many types can be kept together. Comets and shubunkins are good choices for smaller tanks, as they tend to coexist peacefully.

The best goldfish to keep together are those with similar characteristics. For example, You can keep common goldfish and comet goldfish together since they both have the same bodied goldfish type and size.

Other fish, such as shubunkins and fantails, have similar builds and can coexist in the same tank without any problems.

When selecting a compatible pair for your tank, it is crucial to consider both species’ size, shape, and swimming ability. This will ensure that they can thrive together in their new environment.

Make sure you have plenty of space for each type, so they don’t overcrowd the tank or hurt each other due to territorial disputes. You should also add a suitable filtration system for the tank to ensure it is clean and healthy for your fish.

Types of Goldfish That Thrive in Aquariums

There are about 300 goldfish types in existence, but the majority of these are simply different variations of a basic “type .”Fancy goldfish will differ based on color, eyes, fins, or tails.

Although it is possible to have almost everything goldfish in a water tank or aquarium, some breed can be grown only in a tank; it does not generally thrive in the pond because it has sensitive features to temperature.

Fancy Goldfish

These egg-shaped goldfish Goldfish are generally the most popular type of goldfish kept in aquariums. These fish are bred to have beautifully colored scales, and some can even have two tails!

Due to Fancy Goldfish egg shape bodies, they are not the best swimmers, so they need a spacious tank with plenty of hiding places and downward water movement. They also do best in cooler waters and prefer to eat high-protein foods.

Common Goldfish

Common goldfish are the basic ingredients to all goldfish varieties developed by fancy producers and manufacturers. It has a shorter tail as opposed to other kinds of goldfish.

They have several color combinations: yellow, orange, bronze, black, and white. Common goldfish are good in aquariums or filtration pools.

Panda Moor Goldfish

Panda moor is a variation of fantail goldfish, a dark black-white variant. Moors are different colors than the black goldfish and the telescope eye. This fish can reach 10 inches in length and should only be placed in aquariums because their poor eyesight is so fragile.

Bubble Eye Goldfish

Bubble-eye goldfish have a unique body shape and a pair of large, fluid-filled sacs under their eyes. These fish should be kept in aquariums with plenty of open swimming space as they are slow swimmers. Bubble eyes should also be provided with various foods to meet their nutritional needs.

Types of Goldfish Best Suited for Ponds

There are several excellent pond goldfish options if you’re looking for goldfish varieties to stock your pond with. Among them are the Wakin, Comet, Shubunkin, Black Moor, Fantail, Ryunkin, and Oranda varieties.

Each type is well suited for outdoor ponds due to their hardy nature and ability to thrive in cold water.

Fantails, Ryunkins, and Orandas can make great additions, offering even more variety when it comes time to add life to your lovely garden pond!

How Many Goldfish Should Be Kept Together?

How many goldfish can live together? Generally speaking, keeping at least two goldfish in an aquarium is best. This is because goldfish are social animals and need the companionship of other fish.

Also, having multiple fish will help to spread out the waste they produce, which helps keep a healthier environment for the fish. Thus, having at least two goldfish together is recommended to provide them with companionship and maintain a clean habitat.

Can You Keep Male and Female Goldfish Together?

Yes, you can keep male and female goldfish together. However, it would help if you took certain precautions to ensure that the fish remain healthy and happy in their environment.

Male goldfish tend to be territorial and may chase or nip at other fish, while females lack these aggressive tank mates behaviors. Therefore, providing enough space for them to move around without feeling crowded or uncomfortable is vital.

Additionally, providing plenty of decorations such as rocks, caves, or plants will help create additional hiding places, which can reduce aggression among the fish.

Lastly, consistent water changes are crucial to maintaining a balanced aquarium environment with reduced stress levels for all the inhabitants.

Can Goldfish Live Together in a Bowl?

Can 2 goldfish live together in a bowl? No, goldfish cannot live together in a bowl. Goldfish need at least 10 gallons of tank space per fish to be healthy and thrive. Furthermore, bowls need to be bigger to maintain an adequate water filtration system or provide enough oxygen for multiple fish.

Over time, the chemicals and waste goldfish produce can quickly cause ammonia levels to skyrocket if not regularly maintained through water changes and filtration systems.

Can Two Female Goldfish Live Together?

Can two goldfish be in the same tank? Yes, two female goldfish can live together in the same tank. However, it’s important to remember that goldfish are social creatures and prefer living with other goldfish of their species.

If you put two females in the same tank, they may become territorial and fight if there aren’t enough space or hiding places for them to spread out.

To avoid potential issues between two female goldfish, provide ample swimming room and plenty of decorations for them to take refuge.

Additionally, ensure that you feed them an appropriate diet according to their size and age so as not to cause any competing for food or aggression among the fish.

Can Goldfish Live with Other Fish?

Can you mix goldfish with other fish? Goldfish are a great addition to community aquariums, as they generally peacefully get along with larger species.

To ensure harmony amongst the fish inhabitants, ensure other breeds in the tank can’t fit into your goldfish’s mouth!

Goldfish also require cool water temperatures. If you’re adding other tropical species to the tank, ensure they can withstand the same cool temperature range.

Finally, if your tank is large enough and you have the right mix of fish, goldfish can live with other types of fish, such as danios, tetras, rainbowfish, and plecos.

What Fish Can Live with Goldfish?

What kind of fish can you keep with goldfish? Several options work well when adding other suitable goldfish tank mates to your aquarium tank.

Various species of fish can peacefully coexist with goldfish in an aquarium. These include Zebra Danios, Giant Danios, freshwater snails, rosy barbs, White Cloud Mountain Minnows, and Bristlenose plecos catfish.

All four species can tolerate similar water parameters as the goldfish and require similar care. In addition to being compatible goldfish tank mates, they all produce exciting patterns and behaviors that further enhance the beauty of your home aquarium.

Best Goldfish Tank Mates

Black Skirt Tetra

Temp: 69 – 778 °C | Max Size: 3 inches. They are quick; they can outrun goldfish whenever needed. Like the platy fish, the Black Skirt Tetra is usually far too tall to eat goldfish. Why should black-skirt tetras be used with goldfish? They are not often the happiest squid. Black skirt tetras are known to bite goldfish fins.

Bristlenose PlecoTemp

Temp: 68-79 °F | Max Size: 6 inches. Bristlenose Pleco is one of the most popular goldfish tank mates. They are peaceful tank mates for goldfish, and they will help keep the tank clean by eating algae. However, supplement their diet with sinking food pellets or wafers, as they may not get enough to eat from the algae alone.

Bloodfin Tetra

Temp. 64 to 81°. | Maximum dimension: About 2 inches. The Bloodfinch Tetra has rigid properties and is a great beginner’s tetra. They are also fast, which lets goldfish outrun them as needed.

Why do people have trouble keeping blood and goldfish? The fish Tetras bites Goldfinch. Bloodfin Tetra is just as large as goldfish and can easily live with them.

Corydoras Catfish

Temp. : 70–75 °C. | Maximum Dimension: 2.50 inches. How can I keep corydoras catfish in goldfish? Generally speaking, it is not valid in any way.

Cons in keeping Corydoras catfish with goldfish. Corydoras are school-based fish, so there must be space where you can put in a small team.

Zebra Danios (Danio rerio)

Zebra Danio is a tiny, fast-moving fish that can handle temperatures similar to goldfish. They’re small enough that adult goldfish could easily consume them. This smaller fish is also extremely fast, considerably faster than other goldfish.

It may be risky to combine both species. However, danios can dart quickly, and they can easily outrun goldies.

Zebra danio is slim-bodied fish with blue and yellow stripes running up to the neck. It is covered with a glittering metallic sheen that reflects light as it passes around the water tank. These would give you a nice contrast when they pass you in school.

Banded Corydoras

Cory catfish generally make no good goldfish tank mates, but corydoras are one exception. Freshwater fish can be an excellent food source but are unsuitable for goldfish. It’s a great addition to larger communities. The corydoras should be kept in a group of 5 or more people.

Other fish they have in their repertoire make this pet playful. Like most corydoras, these animals have sloped heads and tiny barbs.

They dig into a deep hole to find food. Nevertheless, they need to be bold to focus on the bottom. They will be playing around community tanks. Other vertebrates can cohabit with goldfish in our aquariums.

Weather Loach (aka Dojo Loach)

Temperature: 55 – 80 °F | Maximum dimensions: 11. How long can one survive in and without water? Is that true? Weather Ostriches are friendly social fish that can make great friends within a community.

The pros of keeping Weather Loads for Goldfish are: Weather Loaches grow bigger – 11 cm. You will need a lot more tanks. The tanks should be wide in both lengths, giving Weather Loaches plenty of space to explore.

Hoplo Catfish

Hoplo catfish are endemic to South America. Nonetheless, the plant is well adapted to cool temperatures because of its toughness. It is a resilient fish whose life span spans many conditions.

Somewhat restrained, octopi catfish do not enjoy decorated aquariums and make a good goldfish tank mate. That doesn’t necessarily mean they can not thrive in the tank environment. Sometimes these are hidden under limbs or vegetation.

Fortunately, the hoplo catfish eats during daylight hours. So they may be grabbing food every once in a while. Cherry shrimps provide an excellent substitute for fish.

White Cloud Mountain Minnows (Tanichthys albonubes)

White Cloud Minnow is another small fish whose fastness is required to escape a hungry and curious goldfish mouth. Certainly a tiny fish that was undervalued. It thrives at temperatures comparable to gold.

These small fish have bright pink long fins and opaque stripes running from the head towards the head on their single tails. Its streamlined bodies are silver colored, and they may be blue, yellow, or sulfide-coated depending upon the light.

This fish moves quickly and appears almost hyperactive. They are more agile than most goldfish, which makes the fish very small and easily swallowable by humans.

Murray River Rainbow Fish

Murray River Rainbow Fish is a beautiful fish that brightens the water in a goldfish tank. They are very sturdy, so they need minimal maintenance. They’re a peaceful freshwater fish species and will not attack goldfish or other tankmates. 

How Long Do Goldfish Live?

Generally, goldfish live for 10-15 years in captivity. However, proper care and nutrition play an essential role in their lifespan; with the right conditions, some goldfish can live up to 20-30 years.

Additionally, a larger tank size can help ensure that the water remains clean and facilitates longer, healthier lives for your pet fish.

Commonly Asked Questions about What Can Goldfish Live With (FAQ)

Can Goldfish Live with Glofish?

Can goldfish and glofish live together? No, goldfish can not live with Glofish. Glofish like cooler water than goldfish, and the two species are incompatible. Glofish should be kept in their tank with other fish of the same species.

Can Goldfish Live with Bettas?

No, goldfish and bettas are not compatible. Bettas prefer warmer temperatures than goldfish, and they can be very territorial. Keeping them together can lead to aggression and stress for both species. It’s best to keep them in separate tanks.

Can 2 Male Goldfish Live Together?

Can two male goldfish live together? Yes, two male goldfish can live together in a tank. Goldfish are social fish and will generally not be aggressive toward each other, but providing enough space is essential. It’s recommended to keep them in a tank that is at least 10 gallons.

Can Angelfish Live with Goldfish?

No, angelfish and goldfish are not compatible. Angelfish prefer cooler temperatures than goldfish and can be aggressive toward other fish. Keeping them together could lead to stress and injury. The two species should be kept in separate tanks.

Can Goldfish Live with Guppies?

Guppies and goldfish can live harmoniously in the same environment, provided that an ideal temperature of 72-74°F is achieved. These two species can enjoy a balanced aquatic lifestyle by carefully crafting their shared habitat.

Can Goldfish Live with Tropical Fish?

No, goldfish and tropical fish should not be kept together. When choosing a friend for your goldfish, it’s best to go with another similarly-sized coldwater variety. Avoid tropical species like guppies, bettas, or plecostomus when making this critical selection!

Can 2 goldfish live together?

Can you put two goldfish in the same tank? Yes, two goldfish can live together, but ensure your tank is large enough and avoid mixing fancy and single-tailed varieties.

Can all goldfish live together?

Do all goldfish get along? Not all goldfish can live together. Avoid mixing fancy and single-tailed varieties, as they have different needs and temperaments.

Can you put two male goldfish together?

Two male goldfish can live together, but it’s best to have a large tank with plenty of space and hiding places to reduce potential aggression.

Do goldfish like to live together?

Can i put 2 goldfish together? Goldfish are social creatures and can enjoy living together, but ensure compatible varieties and sufficient space to avoid aggression and stress.

Can all types of goldfish live together?

No, not all goldfish types can live together. Fancy goldfish are slow swimmers and may struggle to compete with faster single-tailed varieties for food and space.

Can different goldfish live together?

It depends. Fancy goldfish with their slower swimming speeds and elaborate fins may struggle to compete with faster single-tailed varieties for food and space.

How big of a tank does a goldfish need?

A single goldfish needs at least 20 gallons of water. For each additional goldfish, add 10 gallons.

How many gallons do goldfish need?

Goldfish require a minimum of 20 gallons per fish to thrive. Providing adequate space helps maintain water quality and supports their growth and well-being.

What size tank do i need for 2 goldfish?

For two goldfish, a tank size of at least 30 gallons is recommended. This allows ample swimming space, maintains water quality, and supports the health and growth of the fish.


So, Can you put two goldfish in the same tank? Although goldfish can live together, you must consider several things before putting more than one fish in your tank. The size of your tank, the type of goldfish you have, and their personalities all play a role in whether or not they will be able to coexist peacefully. If you decide to put more than one goldfish in your tank, closely monitor them for any signs of stress or aggression.

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About Me

I am the founder of, a devoted wife and mother, and an avid fish enthusiast. My aim is to assist fellow fish lovers worldwide in understanding how to properly care for and breed their pet fish.

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