How Often to Feed Cory Catfish: 5 Tips for Explosive Growth!

Cory catfish are popular among aquarium enthusiasts for their peaceful demeanor and algae-eating capabilities. These small, bottom-dwelling fish are native to South America and can be found in various habitats, including rivers, streams, and ponds. But how often to feed Cory catfish in your home aquarium?

When feeding these delightful creatures, it is essential to strike the right balance to ensure their health and happiness.

Overfeeding can lead to various health issues, such as obesity and poor water conditions, while underfeeding can result in malnourishment and stunted growth.

How many corys in a 20 gallon tank

So, how often should you feed your cory catfish? This article will explore the appropriate feeding frequency for these fish, considering their dietary needs and natural behavior.

Following the recommended feeding guidelines, you can provide your cory catfish with the necessary nourishment while maintaining a thriving aquarium environment. 

Understanding Corydoras Catfish Diet

What do Cory catfish eat? Cory Catfish, scientifically known as Corydoras, are omnivores. This means they have a varied diet, including plant matter and protein. In their natural habitat, Cory Catfish feed on algae, small insects, and organic debris they find at the bottom of rivers and streams.

The Importance of a Balanced Diet

Maintaining a balanced diet is vital for the health and growth of your Cory Catfish. Providing them with a mix of protein and plant-based foods mimics their natural diet and ensures they get the necessary nutrients for growth and overall well-being.

How Often to Feed Cory Catfish?

How often should i feed my Cory cats? One of the most common questions among Cory Catfish keepers is how often to feed them. These fish are not voracious eaters, and overfeeding might lead to health issues and water quality problems in your aquarium.

How many times do you feed cory catfish? It’s best to feed your cory catfish one meal a day. Offering a small amount of food they can consume within a few minutes is ideal. 

However, if you have a community tank with multiple fish species, consider feeding your Cory Catfish once every two days to prevent overfeeding.

How Long Can Corys Go Without Feeding?

Corydoras can survive for up to 2-3 weeks without eating. However, it is not recommended to starve them for this long, as it can decay their immune system and make them more susceptible to disease.

Cory catfish temperature

Corydoras are bottom-dwelling fish, and they scavenge for food on the substrate. They also have a relatively slow metabolism, which allows them to go longer without food than other fish species.

If you need to leave your corydoras for over a few days, it is best to use an automatic fish tank feeder or ask a friend or family member to feed them while you are gone.

Here are some tips for feeding your Corydoras while you are away:

  • Use a slow-release sinking fish food. This will ensure that your corydoras have food available even if they cannot eat it all at once.
  • Feed your corydoras a small amount of food each day. This will help to prevent the food from rotting in the tank.
  • Ask your close friend or a family member to check on your corydoras and feed them if necessary.

By following these tips, you can help to ensure that your corydoras are well-fed and healthy, even when you are away.

Types of Food for Cory Catfish

Cory Catfish are not very picky eaters, but they do have preferences. Here are some best food for Cory catfish to consider:

  • Algae Wafers: These sinking wafers are a favorite among Cory Catfish and provide essential nutrients.
  • Fish Flakes: High-quality fish flakes are a good option for variety in their diet.
  • Pellets: Sinking pellets designed for bottom-feeders are suitable for Cory Cats.
  • Live Food: Occasionally offering live food like brine shrimp or bloodworms can be a treat.
  • Vegetables: Blanched vegetables like cucumber and zucchini are excellent for their diet.

Avoid Overfeeding: A Common Mistake

Overfeeding is a frequent mistake among fish keepers. Corydoras Catfish are bottom dwellers, and leftover food can quickly accumulate in the substrate, leading to poor water quality. Ensure they consume their food within a few minutes and remove any excess.

Feeding Cory Catfish Fry

If you’re caring for baby Corydoras fry (Cory fry), they will require more frequent feeding. Feed them small, high-protein foods like baby brine shrimp and crushed shrimp pellets. Make sure you provide enough Cory catfish food to sustain their rapid growth.

How Much to Feed Cory Catfish?

How much to feed Cory’s cats depends on a few factors, including the fish size, the number of fish in the tank, and the type of food being fed. However, a general rule of thumb is to provide cory catfish only what they can consume in 2-4 minutes, once or twice a day.

Here are some more specific guidelines:

  • Smaller cory catfish (e.g., pygmy corydoras) should be fed less than more giant cory cats (e.g., emerald corydoras).
  • More cory catfish in the tank must be fed more often, as they will compete for food.
  • Live worms or frozen food is more nutritious than flake or pellet food, so cory catfish may need to be fed less.

If you are still determining how much to feed your Cory catfish, it is always better to err on caution and typically provide less. Leftover food can pollute the water and lead to health problems for your fish.

Here are some tips for feeding cory catfish:

  • Feed them in a separate area of the tank, away from other fish, so they can eat all the food before other fish scavenge it.
  • Use a sinking pellet or tablet food designed explicitly for bottom-feeding fish.
  • Feed them various foods, including live or frozen, flake, and pellet.
  • Remove any uneaten food within 5 minutes to prevent water pollution.

By following these guidelines, you can ensure your cory fish get the nutrition they need without overfeeding them.

Do Cory Catfish Eat Vegetables?

Yes, Cory Catfish are primarily omnivores, meaning they can eat animal and plant-based foods. While they mainly feed on small invertebrates and organic matter from the substrate in their natural habitat, they also consume small amounts of vegetable matter.

In a home aquarium, you can offer them a balanced Cory catfish diet, including high-quality sinking pellets or flakes specifically designed for bottom-dwelling fish.

Additionally, you can provide them with small portions of blanched vegetables like zucchini, cucumber, or spinach. These vegetables can be softened by briefly boiling them and then cooling them down before offering them to your Corydora.

Maintaining a varied diet is essential to ensure your Cory Catfish receives all the necessary nutrients for their health and well-being. However, their primary diet should consist of protein-rich foods, as they are primarily predatory.

Can Corydoras Eat Algae Wafers?

Yes, Corydoras can eat algae wafers. Algae wafers are designed to sink to the bottom of the tank, where Corydoras and other bottom-feeding fish can easily reach them.

Algae wafers also typically contain various plant-based ingredients essential to the Corydoras’ diet. However, it is essential to note that algae wafers should not be the only food you feed your corydoras.

Corydoras are omnivores, and they need a diet that includes a variety of foods, including plant matter, algae, and protein. You should also feed your Corydoras a high-quality sinking pellet food that is designed explicitly for bottom-feeding fish.

Here are some tips for feeding Corydoras algae wafers:

  • Only feed your corydoras a small amount of algae wafers at a time. Algae wafers are high in carbohydrates, and too much might lead to obesity and other health problems.
  • Break the algae wafers into small pieces before feeding them to your corydoras. This will make it easier for them to eat the wafers and help prevent the wafers from sinking to the bottom of the tank and becoming uneaten.
  • Feed your corydoras algae wafers in the evening when they are most active.
  • Remove any uneaten algae wafers from the tank after a few hours.

If you are still determining how much algae wafers to feed your corys or have any other questions about their diet, please consult a qualified aquarium hobbyist or veterinarian.

FAQs About How much and how often to Feed Corys

How often should I feed Cory Catfish?

How often to feed Corydoras catfish? For adult Corydoras, once a day is sufficient. Feed your fish small portions they can finish in a few minutes.

Can Cory Catfish eat vegetables?

Yes, they enjoy blanched vegetables like cucumber and zucchini as part of their diet.

What should I feed baby Cory Catfish?

Baby Cory Catfish (Cory fry) thrive on small, high-protein foods like baby brine shrimp, bottom feeder tablets, and crushed pellets.

Is overfeeding harmful to Cory Catfish?

Don’t overfeed your Cory catfish; overfeeding can lead to health problems and poor water tank quality in your aquarium.

Can Cory Catfish survive on algae alone?

Do Cory catfish eat algae? While they eat algae, providing a balanced diet with various foods is essential for their overall health.

How can I make my Cory Catfish eat a variety of foods?

Gradually insert new foods into their diet and observe their preferences. Offering a mix of foods will encourage variety.

How often should I feed my Cory Catfish?

Typically, it would help if you fed your Corydora fish one to two times a day.

How much should I feed my Cory Catfish?

Feeding them as much as they can eat in five minutes is essential.

Can I overfeed my Cory Catfish?

Yes, overfeeding your Cory Catfish can lead to health problems. Ensure you only feed them what they can consume in a few minutes.

What should I feed my Cory Catfish?

What to feed Cory catfish in home aquarium? Cory Catfish are omnivorous and can eat a variety of foods. You can feed them specialized fish food such as Hikari sinking wafers, bloodworms, and other live foods.

How often and how much should I feed baby Cory Catfish?

How often to feed newborn Cory catfish? Baby Cory Catfish should be fed more frequently than adult corys, around 3-4 times daily. Feed them small amounts each time, ensuring they eat everything within a few minutes.

How often should I feed Albino Cory Catfish?

Albino Cory Catfish have the exact feeding requirements as other Cory Catfish. Feed them one to two times daily, giving them only what they can eat in a few minutes.

Can Cory Catfish eat other fish?

Corydoras are peaceful scavengers and generally do not eat other fish. They primarily feed on the food that sinks to the bottom of the aquarium.

How long can Cory Catfish live without food?

Cory Catfish can survive for several days without food. However, for optimal health, feeding them regularly is essential.

Should I feed my Cory Catfish live food?

While Cory Catfish can eat live food, it is unnecessary for their diet. You can provide them a balanced diet using specialized fish food and occasional treats like bloodworms.

How do I know if my Cory Catfish needs to eat more?

If your Cory Catfish need to eat more, they may show reduced activity, weight loss, or a lack of interest in food. Monitor their behavior and consult a veterinarian if you have concerns.

What vegetables do Cory catfish eat?

Cory catfish enjoy a variety of vegetables, including zucchini, squash, cucumbers, and lettuce. These vegetables should be blanched or boiled before feeding them to the fish, as raw vegetables can be difficult for them to digest.

Why Does my Cory catfish not eating?

A Cory catfish may refuse food due to stress, illness, or poor water quality. Check tank conditions, ensure a balanced diet, and observe behavior for signs of sickness or stress.

What does Cory catfish eat?

Cory catfish are omnivores and enjoy a varied diet of sinking pellets, algae wafers, live or frozen foods like brine shrimp and bloodworms, and even blanched vegetables like zucchini and cucumber.


So, how often do you feed Cory catfish? Feeding your Cory Catfish a well-balanced diet and following a feeding schedule is critical to their growth and vitality. Remember, a healthy Cory Catfish is a happy Corydora Catfish. Knowing how often to feed Cory catfish and following these tips and guidelines will ensure your aquatic friends survive and thrive in their home aquarium. Happy fishkeeping!

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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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