9 Best Goldfish Community Tank Mates: A Comprehensive Guide

Goldfish are famous for aquarium enthusiasts, but they can’t thrive alone in a tank. They need companions to succeed, and that’s where Goldfish Community Tank Mates come in.

Suitable tank mates are vital to ensure your goldfish remains healthy and happy. However, choosing the wrong companions can lead to conflict and even death.

This comprehensive guide walks you through the 9 Best Community Goldfish Tank Mates.

Community goldfish tank

We’ll provide all the information you need to create a thriving community goldfish tank. From compatibility and temperament to water temperature and tank size, we’ll cover everything you need to know to keep your goldfish in a community tank.

Are you tired of watching your goldfish swim alone in their tank? Do you want to add some variety and color to your tank? Then, keep reading!

We’ll explore some exciting and beautiful options for goldfish in community tanks. Whether new to owning goldfish or a pro goldfish keeper, this guide will help you make the right choices for your community goldfish tank.

Can Goldfish Live With Other Fish?

Yes, goldfish can live with other fish under certain conditions. Goldfish are social creatures and can coexist with other fish species with similar water temperature and pH requirements.

However, it’s essential to consider a few factors before adding other fish to a goldfish tank, such as:

  • Size: Most Goldfish breeds are larger and slower than most other fish species, so they may become targets for aggression or could accidentally swallow smaller fish.
  • Temperament: Some fish species are more aggressive than others and may harass or attack goldfish. It is vital to research the character of each species before adding them to the tank.
  • Water conditions: Goldfish require cold water temperatures and a pH range between 7.0-7.8. Other fish species should also tolerate these conditions to live together comfortably.
  • Tank size: The tank should be adequately sized for all the fish in the tank, providing enough space for swimming and hiding places. Overcrowding can lead to stress and disease.

It is essential to monitor the behavior of all fish around the tank and separate any fish that display aggression or cause harm to other fish. 

Choosing Suitable Tank Mates for Goldfish

When selecting tank mates for your goldfish, it’s crucial to consider compatibility and ensure the well-being of all the fish in the aquarium. Here are some key factors to keep in mind:

– Compatibility and Social Behavior

Goldfish are peaceful and social fish, so choosing companions that exhibit similar characteristics is essential. Look for species of fish known for their calm demeanor and compatibility with goldfish.

– Tank Size and Space Requirements

Goldfish require ample space to swim and thrive. Ensure the tank is large enough to accommodate the goldfish and their tank mates comfortably. A larger fish tank also allows for better water quality and reduces the chances of overcrowding.

– Water Temperature and Quality

Maintaining the proper water temperature is crucial for the well-being of goldfish and their tank mates. Ensure the selected fish species have similar temperature requirements to create a harmonious environment.

What Fish Can Live with Goldfish?

Suitable tank mates for goldfish include White Cloud Mountain Minnows, Rosy Barbs, Weather Loaches (Dojo Loaches), Bristlenose Plecos, and Paradise Fish. Choosing tank mates with similar temperature and water parameter requirements to goldfish is crucial.

They should also be peaceful and not nip at the fins of goldfish. It is best to avoid keeping goldfish with tropical fish species, as they have different temperature requirements.

Additionally, goldfish can be messy and cause a lot of waste, so it is crucial to ensure the tank is adequately filtered and not overstocked. 

TOP 9 Best Goldfish Community Tank Mates

Let’s explore the nine best tank mates to keep with goldfish that will add beauty and companionship to your goldfish tank:


Catfish make excellent tank mates for goldfish. They are bottom-dwelling fish that help keep the tank clean by eating leftover food and algae. The hoplo catfish, in particular, is an excellent choice as it shares similar temperature requirements with comet goldfish.

Tropical Fish

Many tropical fish species are compatible with goldfish. Guppies, mollies, and platies are colorful and lively companions that add a vibrant touch to the aquarium. Ensure that the tropical fish you choose can tolerate a wide range of temperatures for goldfish.

White Cloud Mountain Minnows species

White Mountain Minnows are small, peaceful fish that thrive in cooler water. They are an excellent choice for a goldfish community tank, bringing movement and charm to the aquatic environment.

Rosy Barbs

Rosy Barbs are active and colorful fish that make great companions for goldfish. Their playful nature and striking appearance create an engaging and visually appealing aquarium.

Zebra Danios

Zebra Danios are small schooling fish that can live harmoniously with goldfish. They prefer similar water temperature ranges and add a lively dynamic to the tank.

Japanese Rice Fish

Japanese Rice Fish, also known as Medaka, are peaceful and adaptable fish that make suitable companions for goldfish. They are small and add a unique touch to the aquarium with their distinctive colors.

Weather Loaches

Weather Loaches, called Dojo Loaches, are bottom-dwelling fish compatible with goldfish. They have an interesting behavior of burrowing into the substrate, adding an intriguing aspect to the tank.

Bristlenose Plecos

Bristlenose Plecos are small catfish known for their distinctive bristles and efficient algae-eating capabilities. They help keep the tank clean while coexisting peacefully with goldfish.

Corydoras Catfish

Corydoras Catfish are another excellent choice for a goldfish community tank. These small catfish have a peaceful temperament and thrive in similar water conditions as goldfish. They also have a unique appearance with their armored bodies and vibrant patterns.

What Makes An Ideal Goldfish Tank Mate?

An ideal goldfish tank mate should be a peaceful fish species that can tolerate similar water conditions (temperature and pH) as goldfish. It should also be compatible in size, avoiding significantly faster or smaller species. 

Some good choices for goldfish tank mates include:

  • Weather Loach (Dojo Loach) – These friendly, peaceful fish help clean the tank.
  • Bristlenose Plecostomus are significant algae eaters and add variety to your tank.
  • White Cloud Mountain Minnows – They thrive in the same water conditions as the goldfish and are peaceful.
  • Neon Tetras – They are friendly and can add color to your goldfish tank.
  • Hillstream Loach is also benign, and their body shape is ideal for small crevices or rocky areas. 

Remember that adding new species to your goldfish tank requires careful observation to ensure compatibility and a smooth adjustment. Additionally, always do research before adding any new fish. 

Which Goldfish Companion is Right For You?

When setting up an aquarium for goldfish, it’s essential to consider their tank mates. Goldfish are social animals and can benefit from having a companion in the tank. However, choosing the right goldfish companion is important.

Goldfish can grow quite large, so smaller fish may not be suitable tank mates. Additionally, some goldfish can be pretty hungry and may view tiny fish as food, so choosing tank mates that won’t be devoured is vital.

Some good options for goldfish tank mates include other goldfish of similar size 2 inches long and temperament, as well as bottom-dwelling species like snails or shrimp.

Remember that a general rule of thumb is to have one gallon of tank space per inch of fish, so avoid overcrowding your aquarium. Carefully considering goldfish tank mates allows your goldfish to thrive in a happy, healthy aquarium environment.

Commonly Asked Questions about Community Goldfish Tank Mates (FAQs)

Can goldfish live with other fish in the same tank?

Yes, goldfish can live with other fish, but choosing compatible tank mates with similar temperature and behavior requirements is crucial.

What are some suitable tank mates for goldfish?

Suitable tank mates for goldfish include catfish, tropical fish, White Cloud Mountain Minnows, Rosy Barbs, Zebra Danios, Japanese Rice Fish, Weather Loaches, Bristlenose Plecos, and Corydoras Catfish.

Do goldfish eat their tank mates?

While goldfish are generally peaceful, they tend to eat smaller fish that can fit in their mouths. It’s crucial to choose tank mates that are of a suitable size and won’t be seen as prey by the goldfish.

How do I ensure a clean tank when keeping goldfish and tank mates together?

Regular tank maintenance, including water changes and proper filtration, is essential to keep the tank clean and maintain good water quality for both goldfish and their tank mates.

Can goldfish be kept in a community tank with other species of fish?

Yes, goldfish can be kept in a community tank with other fish species if careful consideration is given to compatibility, tank size, and water temperature requirements.

What are the best goldfish tank mates?

The best goldfish tank mates are fish that prefer the same temperature range as goldfish, make good companions, and won’t bother your goldfish. Suitable goldfish tank mates include catfish, small freshwater fish, and some goldfish.

What are some specific fish that make good goldfish tank mates?

Some specific fish that make good goldfish tank mates include hope catfish, platies, and guppies. However, it would help if you always researched the particular needs of any fish you wish to add to your goldfish aquarium.

Can fancy goldfish live with common goldfish?

Fancy goldfish can live with common goldfish, but it is important to note that they are slower swimmers and may have a more challenging time competing for food in a tank with more active fish. Providing a large tank of at least 40 gallons for a group of at least three fancy goldfish is recommended.

What size tank is needed for goldfish and their tank mates?

You’ll need a tank of at least 40 gallons for a group of at least three goldfish, and additional space should be added for any tank mates. It is vital to keep your tank clean and well-maintained to ensure the happiness and health of your fish.

What types of aquarium fish should be avoided as goldfish tank mates?

Goldfish prefer calm, slow-moving water and may need to get along better with fish that like more aggressive water currents. Avoid adding fish that want to nip at fins, such as barbs, or fish that goldfish will eat, such as tetras. Additionally, large or aggressive fish may harm or stress your goldfish.

Can goldfish live with tropical fish?

Goldfish are freshwater fish and may not thrive in an aquarium with tropical fish, which often prefer slightly warmer water temperatures. It is essential to research the specific needs of any fish before adding them to your goldfish aquarium.

What temperature range do goldfish need?

Goldfish prefer tank water temperatures between 65 and 75 degrees Fahrenheit and may struggle to adjust to sudden temperature fluctuations. It is vital to keep the temperature stable in your goldfish aquarium.

Can goldfish live with catfish?

Many catfish species make good goldfish tank mates, including the Hoplo catfish, and Bristlenose pleco. However, it is important to research the specific needs of any fish you wish to add to your aquarium to ensure compatibility and a stable environment.

Can goldfish live with small fish?

Yes, small freshwater fish such as neon tetras and giant danios can make good goldfish tank mates, as long as they are not aggressive or too fast for the goldfish to keep up with. Always research the specific needs of any fish before adding them to your goldfish aquarium.

What are some tips for choosing goldfish tank mates?

When choosing tank mates for your goldfish, consider the size and activity level of the fish, as well as whether they are peaceful and won’t bother your goldfish. It is also important to consider the space requirements; a larger tank will give your fish more room to swim and reduce the risk of aggression. Additionally, adding groups of fish rather than just one individual can help to reduce stress and maintain a peaceful environment.


Creating a thriving and harmonious goldfish community tank is an exciting endeavor. By carefully selecting suitable tank mates, you can enhance the beauty and dynamics of your aquarium. Remember to prioritize compatibility, tank size, and water temperature when choosing companions for your goldfish. With the nine best goldfish community tank mates mentioned above, you can create a visually stunning aquatic environment conducive to the well-being of all the fish. In conclusion, choosing suitable tank mates for your goldfish can create a beautiful and lively aquarium environment. Following the guidelines and considering the nine best goldfish community tank mates discussed in this guide, you can provide your goldfish with companions that enhance their well-being and make your aquarium remarkable.

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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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