The Fish Guru

Can Betta Fish and Cory Catfish Live Together? Tips for a Peaceful Coexistence

Betta fish and Corydoras catfish are some of the most popular fish in the aquarium hobby. If you have been wondering whether these two species can coexist, then read on.

In this article, we will discuss the different aspects of betta fish and cory catfish that aquarium enthusiasts need to know in order to find out if they can live together in a tank. We will also provide tips on how to create a peaceful coexistence between them.

Corydoras Catfish

Corydoras catfish are bottom-dwelling, peaceful fish that are native to South America. They make great tank mates for other fish because they are not aggressive.

They are also relatively easy to care for, making them a favorite among beginners and expert aquarists. One of the first things to understand about corydoras catfish is their temperament.

They are peaceful fish that thrive in groups. They are often referred to as shoaling fish, meaning they prefer to school, so if you are considering adding one to your aquarium, it is best to add several.

Corydoras catfish are available in various types, with popular species being Pygmy Corys, Bronze Cory, Bandit Cory, Julii Cory. To achieve the best tank conditions for corydoras catfish, ensure the water parameters are maintained.

This includes the water temperature, pH levels, and water filtration system. Cory catfish prefer slightly acidic water with a temperature between 72F and 77F.

They also prefer a filtration system that does not create strong currents, as this may disturb them.

Betta Fish

Betta fish are another popular fish in the aquarium hobby. They are also known as Siamese fighting fish and are originally from Southeast Asia.

They are easy to care for, and their long, flowing fins make them a beautiful addition to any aquarium. One of the key things to consider when housing betta fish is their aggression.

Bettas are territorial fish, and males are known to be aggressive towards other males. Therefore, it’s best to keep a maximum of one male betta in a tank.

Females, on the other hand, can live in groups or with other peaceful fish in a community tank. Tank Conditions for Cory Catfish and

Betta Fish

The tank size is important when considering fish compatibility.

You should aim for a minimum tank size of 20 gallons, especially if you want to have both cory catfish and betta fish in the same aquarium. This size allows the fish to have enough space to swim and establish their territory.

The water temperature should be adjusted to accommodate both species. Bettas prefer slightly warmer water, while cory catfish prefer cooler water.

Therefore, aim for a temperature range between 75F and 80F to provide a comfortable environment for both species. It’s also important to maintain a pH level of around 7.0, as this is close to the neutral range that both species can tolerate.

You should also avoid strong currents in the aquarium, as both cory catfish and betta fish prefer calm, still water. Tank Accessories for Cory Catfish and

Betta Fish

One of the important requirements for cory catfish is a soft substrate.

They have a delicate body that can get easily injured by rough surfaces. So, when choosing a substrate, ensure that it is soft and comfortable for them to swim around.

Betta fish need plenty of hiding spots in the aquarium to help them establish their territory. You can add plants, rocks, and caves to create hiding spots for them.

Ensure that these hiding spots are not too cramped for the fish, as they need to navigate and swim around them.

Tips to Achieving a Peaceful Coexistence

The tips to achieving a peaceful coexistence between betta fish and cory catfish include providing adequate tank size, hiding spots, a quarantine tank, and the right feed. As mentioned, the minimum tank size for betta fish and cory catfish should be at least 20 gallons.

You should also add enough hiding spots to help the betta create their territory and reduce stress. A quarantine tank is also important before introducing new fish to the aquarium.

It allows you to observe the new fish and ensure that they are healthy and disease-free before introducing them to the main tank. When feeding both species, ensure that they are getting the right type of food.

Cory catfish are omnivorous and require a varied diet consisting of both plant and animal matter. On the other hand, bettas are primarily carnivorous and require a diet high in protein.

You can give a mixture of live or frozen food and pellets to meet their dietary requirements.


In conclusion, it is possible for betta fish and corydoras catfish to coexist in the same tank. While betta fish are territorial and can be aggressive, corydoras catfish are peaceful and can make great tank mates for betta fish.

By providing a large enough tank, the right conditions, and adequate hiding spots, a peaceful coexistence between these two species can be achieved. We hope this article provides you with enough information to make an informed decision on whether to keep betta fish and cory catfish together.

Happy fish keeping!

Keeping fish as pets is a fulfilling and enjoyable hobby. Corydoras catfish and bettas are among the popular fish species that many aquarists love to keep.

However, it is possible to run into questions that need answers when keeping these fish together. In this articles expansion section, we will cover some frequently asked questions relating to corydoras catfish and bettas to give in-depth answers to concerns that most aquarists grapple with.

Do Corys Eat Betta Poop? Cory catfish are bottom-dwelling scavengers that do not mind feeding on leftover food particles and other debris in the tank.

One of the ways that cory catfish help to maintain a clean tank is by helping to break down any waste matter that other fish produce. While it is not a common occurrence, cory catfish have been known to ingest betta poop.

However, this does not necessarily mean that they are eating it willingly. Rather, betta poop may accidentally get sucked up by the cory catfish as it grazes on the substrate or other debris in the aquarium.

Can Bettas Attack Cory? If you are considering keeping betta fish with cory catfish, you need to remember that bettas can be territorial and aggressive.

Males, in particular, may exhibit aggressive behavior towards the cory catfish if they feel that their territory is being invaded. Therefore, it is essential to create a peaceful coexistence to avoid aggression.

You can achieve this by providing adequate hiding spots for both species, ensuring that the tank size is large enough, and carefully observing them during feeding time. In most cases, bettas are unlikely to attack cory catfish that are of similar size or larger.

Can Cory Catfish Have a ‘Fast’ Day? Corycatfish are scavengers and can survive on a varied diet, including commercial pellets, frozen or live food.

However, just like any other fish species, cory catfish can benefit from occasional fasting days. This means that they spend an entire day without feeding, which helps to cleanse their digestive systems and prevent overeating.

It is advisable to choose a specific day for fasting the cory catfish and sticking to the schedule every week. During fasting days, ensure that you continue to provide enough aeration to maintain good water quality in the tank.

Can Corydoras Eat Betta Food? While corydoras catfish and bettas have different dietary requirements, the cory catfish can eat betta food.

The betta food is usually high in protein, which should be limited in the cory’s diet. Cory catfish are omnivorous and require a varied diet, including algae wafers, pellets, and fresh or frozen food.

It is essential to ensure that the cory catfish are getting a balanced diet that meets their nutritional requirements. You should avoid overfeeding your fish, as this can lead to overeating and bloating, which can be fatal.

How Much Food Do Corydoras Eat? Cory catfish have a small stomach relative to their body size, and this means that they need frequent small meals throughout the day.

A good feeding frequency for cory catfish is two to three times a day, ensuring that they can eat all the food given to them within 1-2 minutes. Overfeeding cory catfish can cause indigestion and lead to overeating, leading to obesity and other related health issues.

You should also vary their diet, alternating between dry and frozen food and supplementing with occasional bloodworms or small shrimps. In conclusion, keeping corydoras catfish and bettas together in an aquarium requires careful consideration and management.

You must ensure that you provide appropriate tank conditions, food variety, and adequate hiding spots to create a peaceful coexistence. Hopefully, this article’s expansion section has provided you with in-depth answers regarding frequently asked questions on these fish species.

As a fishkeeper, it’s essential to have a thorough understanding of each species’ unique requirements to ensure their optimal health and well-being in your aquarium. In conclusion, keeping corydoras catfish and bettas together in a peaceful coexistence requires providing adequate tank conditions, food variety, and ample hiding spots.

Corydoras catfish are peaceful scavengers that can coexist with bettas, but it’s important to consider bettas’ territorial and aggressive nature. To achieve a thriving aquarium, it’s essential to understand each species’ unique dietary requirements, feeding schedule, and habitat conditions.

In doing so, fishkeepers can enjoy a fulfilling and enjoyable hobby by providing a safe and comfortable environment for their pets. Remember to provide ample space, hiding spots and carefully observe your fish’s behavior to achieve a successful aquarium.

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