Betta Fish Tank Mates: The Ultimate Compatibility Guide for 2023

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Betta Fish are one of my favorite fish to keep in an aquarium. Best known for their beautiful coloration yet territorial nature, many people don’t know you can keep Bettas with other fish! See below for the Ultimate Betta Fish Tank Mates Compatibility Guide!

It should be noted that Bettas are generally difficult to keep with each other unless you take certain steps. A male Betta Fish should not be kept with another male, though female Betta Fish can coexist as a sorority. A sorority is a community tank of female betta fish, generally with four or more members. This guide will focus on other fish species you can keep with your Betta! Interested in more information about Bala Sharks? View our species guide for information like How Fast do Bala Sharks Grow, What to Feed Bala Sharks, and Bala Shark Lifespan: Here.

What Makes An Ideal Tank Mate For Betta Fish?

Betta Fish can act aggressively towards one another because of their territorial nature. However, they welcome other fishes provided they have enough space to swim in and places to hide.

So, what fish can go with betas? Betta Fish prefer fast-swimmers with shorter fins, generally bottom dwellers or mid-level swimmers, that have similar nutritional requirements and can thrive in a tropical fish tank.

Betta Fish Care and Information

Temperament:

Peaceful

Care Level:

Easy

Diet:

Bloodworms, Brine shrimp, Daphnia, and Vinegar eels

Adult Size:

2.5 — 3.5 inch

Lifespan:

2 — 5 years

Water Temperature:

75°F — 82°F

Water pH:

6.5 — 7.5

Tank Size:

Minimum of 5 Gallons

The Best Betta Fish Tank Mates

1. Corydoras Catfish

Care Level

Easy

Adult Size

3 inches

Temperament

Peaceful

Lifespan

4 years

Social Requirements

Best kept in groups of 4+

Corydoras Catfish are the best tankmates for Betta Fish as they are relaxed bottom swimmers that can also help clean up the tank!

Cory Catfish thrive when you keep them in a school of four or more. Sinking pellet foods are the most appropriate for them as they are bottom dwellers. Corys also do well when in water conditions similar to Betta Fish.

2. Feeder Guppies

Care Level

Easy

Adult Size

1 – 2 inches

Temperament

Peaceful

Lifespan

2 – 5 years

Social Requirements

Can be kept alone or in a group.

Feeder Guppies are normally bred as food for larger fishes. As they don’t have fancy coloration, this makes them an ideal betta tank mate. They have a docile temperament, similar to the Betta Fish, so you don’t have to worry about them nipping your Betta’s fish. Male guppies tend to have longer tails, so they may be less optimal versus keeping females in the same tank.

3. Neon Tetra

Care Level

Easy

Adult Size

1 – 2 inches

Temperament

Peaceful

Lifespan

5 – 10 years

Social Requirements

Group of 6+

Neon Tetras are one of the fish you can put with betta. They should live together peacefully as long as the tank conditions are favorable.

It is better to keep them in a school as they will grow stressed if kept alone. Similarly, you should include a lot of plants and places to hide. Neon Tetras are fast-moving fish, and their beautiful coloration make them a great compliment to your Betta!

4. Clown Plecos

Care Level

Medium

Adult Size

4 inches. They are the dwarf members of the species.

Temperament

Peaceful

Lifespan

10 – 15 years

Social Requirements

Can be kept alone as a single fish.

Clown Plecos are dwarf members of the Pleco family, which will keep them at a suitable size to live with you Betta Fish. The bigger members of species can grow up to two feet long!

Clown Plecos are one of the best algae eaters you can keep with Betta Fish, so they should help with the cleaning of your fish tanks. You should supplement their diet with plant based sinking pellets.

5. Endler’s Live-bearers

Care Level

Easy

Adult Size

1 – 1.5 inches

Temperament

Peaceful

Lifespan

3 – 4 years

Social Requirements

Group of 6 or more

The Endler’s Live-Bearers are of the Poecilia genus, which happens to be the same as Mollies and Guppies! They are beautiful live bearers that you can expect to breed if you keep in a group. These are mid-level swimmers which makes them a great match for your Betta Fish. Endlers liverbearers – and especially male endlers are great choices to keep with your betta tank. Endlers livebearers with betta are a very popular combination for these reasons.

These fishes also love their tank fully decorated with natural vegetation and algae to keep their fries safe after spawning.

6. Platies

Care Level

Easy

Adult Size

Up to 5 inches

Temperament

Peaceful

Lifespan

5 years

Social Requirements

Best kept in pairs.

Platies are one of the easiest fish to keep that coexist with many other species peacefully. Coming in colors from red, yellow, and blue, Platies are a beautiful and fun fish to keep in your tank!

As another live bearer, you should keep plants such as Java Moss if you plan on breeding them with your Betta Fish in the tank.

7. Kuhli Loach

Care Level

Easy

Adult Size

2 – 3.5 inches

Temperament

Peaceful

Lifespan

3 – 4 years

Social Requirements

Best kept in groups of 3+

Kuhli loaches love to squeeze themselves under plant roots, rocks, and driftwood, and if you have sand as substrates, Kuhli will bury themselves during the day and come out to play at night or when the light is off.

Kuhli Loaches are a perfect fit for your Betta Fish, as they will tend avoid each other even if your Betta Fish is a more aggressive one. They also help clean up the tank as they are bottom dwellers and will help pick up the excess food at the bottom of the tank.

8. Mollies

Care Level

Easy

Adult Size

3 – 4.5 inches

Temperament

Peaceful

Lifespan

3 – 5 years

Social Requirements

Best kept in pairs or more

Our last live bearer on the list, Mollies are one of my all time favorite fish to keep! I’ve even transitioned them from living in a freshwater aquarium to cohabitating with Tangs in my reef tank! While it sometimes will depend on a betta’s personality, even male bettas tend to get along quite well with smaller mollies.

Mollies are foragers and will swim at all levels of the tank. Try to avoid the forms with longer fins, as Bettas may be more aggressive with them.

9. Harlequin Rasbora

Care Level

Easy

Adult Size

1.5 – 2 inches

Temperament

Peaceful

Lifespan

5 – 8 years

Social Requirements

Group of 5+

Harlequin Rasboras are peaceful fish that won’t try to compete with your Betta Fish in the tank. Even if your Betta Fish decides to chase them, they are fast swimmers.

They should be kept in a group of at least five, and will ad very fun dynamic to your tank!

10. Otocinclus Catfish

Care Level

Easy

Adult Size

2 – 2.5 inches

Temperament

Peaceful

Lifespan

3 – 5 years

Social Requirements

Group of 6+

Octocinclus Catfish are another suitable tank mate for your Betta Fish; they are bottom swimmers, so you don’t have to worry about territorial disputes. The Octocinclus is an algae feeder as well, so they do will also be a nice part of your clean up crew!

Understanding Betta Compatibility: Selecting the Ideal Fighter Fish Tank Mates

When choosing the best betta tank mates, it’s important to consult a betta compatibility chart. This chart helps identify which fish can safely coexist with Bettas, also known as fighter fish, to ensure a harmonious aquarium environment.

Other Things To Consider for your Betta Fish Tank Mates

Betta Fish are known to be aggressive – they love their territory and sometimes can’t share with any fish. To avoid Bettas attacking other fish that you had, it is essential to plan ahead.

The compatibility of your Betta will depend on the specific fish, so it’s a good idea to have an extra tank in case things don’t go as planned after adding other fishes with your Betta.

Minimum Tank Size

The first factor you should consider is the tank size. Many fish love to have their own space, so get a tank big enough for all the fishes to have enough swimming space to avoid disputes in the tank.

Fish Size

Size is an essential factor to consider when selecting a tank mate for our betta fish. Betta Fish can be very aggressive towards other fish that look similar to them, and with full-flowing fins.

Smaller tropical fishes are excellent choices, but make sure you don’t overcrowd the tank! At the same time, you should avoid keeping fishes that are significantly bigger and more aggressive than Betta Fish, as they might see them as a threat.

Care Level

As an amateur or professional, it is better to keep fishes with the same care level together. Keeping hardy fish with those that are more sensitive can cause stress for them due to inadequate water requirements.

Betta Fish Tank Mates Summary

As you’ve observed, there are numerous fish compatible with bettas, making the search for the best tank mates for your Siamese fighting fish an exciting journey. Whether you’re looking specifically for female betta tank mates or just compatible betta fish tank mates in general, you’re bound to find great tank mates that coexist harmoniously in a community betta tank.

REMEMBER: whether housing male or female bettas, ensure you have enough space and plenty of hiding spots to keep all your finned friends content.

If you still have queries or wish to delve deeper into this topic, don’t hesitate to join our Facebook Group!