Betta and Cory Catfish; the Best Tank Mates or A Total Disaster


Corydoras and bettas are two popular species of freshwater fish. While they both thrive in similar climates, they have different care requirements. Bettas are territorial and sometimes aggressive, while corydoras are peaceful and prefer to live in groups. For these reasons, it’s essential to research before adding fish to your tank and monitor the situation to determine if your fish get along. With proper planning, however, you can create a happy and healthy environment for corydoras and bettas.

The good news is that Corydoras and bettas are compatible tank mates. While bettas are territorial and may chase other fish, they usually leave the bottom-dwelling Corydoras alone. This also applies to the pygmy cory. These two species can benefit from each other’s company and can be ideal tank mates.

Can Cory Catfish and Betta Fish Live Together?

Cory catfish and betta fish are great tank mates! They are both peaceful fish that get along well together. Cory catfish are also excellent at keeping the tank clean. If you are keeping betta fish, keep cory catfish as well!

While bettas and corydoras are members of the freshwater fish family known as Perciformes, cory catfish are more closely related to other bottom-dwellers like loaches and catfish. On the other hand, Bettas are more closely related to gouramis and anabantoids. These fish make suitable tank mates.

Why Are Cory Catfish Good Tank Mates for Bettas?

Cory catfish are a good choice for tank mates for bettas because they are peaceful, do not bother bettas, and help keep the bottom of the tank clean.

Even though bettas can be territorial, corydoras mostly stay at the bottom of your tank, whereas most bettas prefer to hang out at the top regions of the fish tank.

betta-in-small-container

Cory Catfish and Betta 2.5 Gallons?

Although Bettas can live in a 2.5-gallon tank, corries prefer a bigger aquarium. In 2.5 gallon aquarium, you could keep pygmy carries and betta fish together, but bigger is better, even for the pygmies. A wider tank is also preferred over a taller one, as cory catfish are bottom dwellers.

Do Bettas Ever Attack Pygmy Corydoras?

Bettas typically do not attack pygmy corydoras. (Pygmy) Corydoras are often recommended as tank mates for bettas because they get along well together. Corydoras are peaceful bottom-dwelling fish that can help keep a betta’s tank clean, and the two fish species usually don’t bother each other at all. The odd grumpy male betta can always show territorial behavior to any small fish. Make sure to give your bettas and corydoras catfish enough.

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Are Corydoras Catfish Aggressive?

Corydoras catfish are not aggressive and are relatively peaceful. They are bottom-dwelling fish and do well with other fish, such as bettas. They are lively fish, come in many colors, and can be pretty stunning. However, they are not as popular as bettas, so they may not be the first choice for those looking for a peaceful fish to add to their tank.

Do Corydoras and Betta Fish Have Similar Diets?

Corydoras and bettas are both freshwater fish, and they have similar diets. Both eat small invertebrates, such as worms and insects. Catfish are omnivores; they also eat plant matter and algae. Corydoras are bottom-dwellers, so they eat the leftovers from the betta’s meals. Bettas are surface-dwellers, so they mainly eat what is in their tank area.

Do Cory Catfish Eat Betta Food?

Corydoras, also known as cory catfish, are scavengers that will eat just about anything. This includes leftovers from the betta. So, if you have a betta and a cory catfish, you don’t need to worry about overfeeding one another. Though your cory catfish won’t mind leftovers from the food that your betta drops, it is still a good idea to feed them with fish food your corydoras catfish enjoy.

Do Cory Catfish Eat Betta Poop?

Cory catfish are helpful in cleaning tanks because they will eat anything off the ground, including betta poop. This can help to keep the tank clean and the water quality high.

What Water Conditions Do Corydoras Need

Corydoras catfish are hardy fish that can tolerate a wide range of water conditions, making them perfect for beginner aquarists. Corys do best in a well-oxygenated aquarium with a sandy substrate and plenty of hiding places. These bottom-dwelling fish are peaceful and make an ideal addition to a community tank. They may harass or even kill corydoras. The ideal pH level for corydoras is 6.5-7.5, and the water temperature should be kept between 72-78 degrees Fahrenheit.

What Water Conditions Do Betta Need

To keep your betta happy and healthy, it is essential to maintain the correct water conditions. The ideal water temperature for bettas is between 76 and 82 degrees Fahrenheit. Too cold water can cause your betta to become sluggish and sick. A heater is necessary to maintain proper water temperatures for bettas. The pH level should be between 6.5 and 7.5, and the water should be soft to moderately hard.

Best tank mates for betta fish
Best tank mates for betta fish

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Deciding Factors for Keeping Betta Fish and Cory Catfish Together.

Some people like to keep betta fish and cory catfish together, while others believe keeping them apart is better. There are a few deciding factors that can help you decide whether or not to keep these two types of fish together. One factor to consider is the size of your tank. If you have a larger tank, 20 gallons or more, you may be able to keep both bettas and cory catfish together without any problems.

Another factor to consider is the temperament of your betta. If your betta is very aggressive, it’s probably not a good idea to keep cory catfish with it. However, if your betta is relatively peaceful, keeping cory catfish with it should be fine.

Lastly, everything in the tank should be considered when deciding whether to keep cory catfish and bettas together. If you have other fish in the tank compatible with bettas and cory catfish, then keeping them together should be no problem.

Extra tips your betta fish and corydoras catfish will be grateful for: If you decorate your aquarium, don’t forget to include plenty of live plants, giving the environment a more natural look. Corys and bettas enjoy live plants. Add rocks and driftwood to your display to build many hiding places for your fish. Even if they don’t need to hide from each other most fish like places where they feel protected.

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