Will Catfish Eat Other Fish? (Find Out Here)

If you’ve ever wondered if catfish will eat other fish, then you’ve come to the right place! In this article, we’ll explore the fascinating eating habits of catfish, the different types of catfish, and whether or not they will consume other fish.

So, if you’ve ever wanted to know the answer to the question, “Will catfish eat other fish?”, read on to find out!

Will Catfish Eat Other Fish?

Catfish are opportunistic feeders and will consume whatever food is available to them.

This includes other fish, provided they are small enough for the catfish to swallow.

Commonly, catfish feed on minnows, shiners, and other small baitfish.

However, depending on the size and species of catfish, they may consume larger fish.

Catfish are bottom feeders and they typically search for food on the river or lake floor.

This type of behavior makes it easier for the catfish to find and consume smaller fish.

Catfish may also scavenge for food, which includes eating dead fish, including larger species.

Additionally, their large mouth and sharp teeth enable them to consume other fish.

Moreover, catfish have a keen sense of smell that helps them find food in murky waters.

This helps them locate other fish, allowing them to consume them.

Additionally, catfish have powerful jaws that can crush and consume the bones of other fish.

In summary, catfish will eat other fish depending on the size of the other fish and the species of catfish.

Generally, they will feed on smaller fish, such as minnows and shiners, but may consume larger fish as well.

Their strong sense of smell and powerful jaws aid them in consuming other fish.

Do Catfish In Tanks Eat Other Fish?

Do catfish in tanks eat other fish? Yes, it is possible.

Catfish are among the few species of fish that are omnivorous, meaning they eat both animal and plant matter.

In the wild, they consume a variety of food including insects, worms, small fish, aquatic vegetation, and carrion.

When kept in an aquarium, they can be fed prepared foods such as flakes, pellets, frozen or freeze-dried food, and live foods such as earthworms, bloodworms, and brine shrimp.

It is possible for catfish in tanks to eat other fish.

They may eat smaller fish, like neon tetras, guppies, mollies, and others, as well as their eggs.

In some cases, they may even eat the fins of their tankmates.

To reduce the risk of catfish eating other fish in the tank, make sure to provide them with a varied diet, avoid overcrowding, choose larger tankmates that won’t be targeted, and provide plenty of hiding places and plants for other fish to escape if the catfish become aggressive.

Will A Catfish Eat A Catfish?

Can a catfish eat another catfish? The answer is yes.

Catfish are natural predators and will often feed on other small fish, including their own species.

They typically consume smaller fish, insects, worms, crustaceans, mollusks, and other invertebrates, but they can also eat other fish.

With their powerful jaws and sharp teeth, catfish can easily devour smaller creatures.

In addition, they are known to be cannibalistic, so if competition for food or overcrowding arises, a catfish may attack and try to consume another one.

Though catfish can and will eat other catfish, it is not a common occurrence.

They usually prefer smaller prey, so they will only consume another catfish if it is the only option available.

However, if a catfish is large enough and hungry enough, it may attack and consume another catfish.

Can Catfish Live In A Fish Tank?

Yes, catfish can live in a fish tank, but it is important to do your research before adding any new fish.

Catfish come in many sizes, shapes, and temperaments, so it’s essential to make sure that their particular species is suitable for the other fish already in the tank.

For instance, some species of catfish, such as Corydoras, can peacefully coexist with smaller fish like tetras and guppies, while other more aggressive varieties may attack and even eat smaller fish.

When deciding if catfish are right for your tank, you should also consider the size.

Some species can reach up to 12 inches in length, so it’s essential to make sure your tank is large enough to accommodate the size and number of fish you plan to keep.

Additionally, some catfish are bottom dwellers, so you should provide them with plenty of hiding places and substrate.

Finally, remember that catfish are scavengers, so they will need a variety of food sources.

This can include food such as algae wafers, frozen or live foods, and vegetables.

You should also do regular water changes and keep the tank clean to ensure that your catfish have a healthy and happy life in your aquarium.

Do Catfish Eat Live Minnows?

Catfish are known to enjoy live minnows as a snack.

Minnows provide a good balance of protein and fat, making them a great food source for these fish.

Catfish have an excellent sense of smell, sharp teeth, and powerful jaws that help them locate and catch their prey.

Additionally, they have a barbell which serves as a fleshy barb located on their upper lip that helps them find food in murky waters.

Minnows are the perfect meal for catfish since they are small, easy to swallow, and abundant.

When seeking out minnows, catfish use a variety of methods such as lying motionless at the bottom of the water, feeling for minnows with their barbell, or using their sense of smell to locate their prey.

It is important to note that while catfish do eat live minnows, they also feed on other food sources such as insects, vegetation, and other fish in order to ensure they are getting a balanced diet.

Do Small Catfish Eat Other Fish?

Small catfish typically feed on small insects, larvae, and crustaceans, though they may also consume other fish if they are living in an environment where food is scarce.

This is especially true if the other fish are smaller than the catfish, as it then becomes easier for the catfish to catch and eat them.

Additionally, in a larger body of water, a catfish may be able to out-swim and chase down other fish, thus feeding on them.

In a tank environment, if the catfish are not receiving enough food in their regular diet, they may end up eating other fish.

This is especially true if the tank is overcrowded and there is a lack of food.

In such cases, even small catfish may feed on other small fish in order to get the necessary nutrients.

In general, small catfish are not considered to be aggressive predators, but they may feed on other fish if the opportunity arises.

Therefore, it is important to ensure that the tank is well-fed and not overcrowded, so that the catfish have access to adequate food sources and do not have to resort to eating other fish.

What Do Catfish Eat In A Pond?

Catfish are voracious eaters and will consume just about anything they can find in a pond.

They mainly feed on insects, crustaceans, aquatic plants, and small fish especially larvae and insect pupae, which they can sense via their sense of taste and smell.

Furthermore, they are also known to scavenge on dead and decaying matter found on the pond’s bottom.

In addition to their natural diet, catfish can also benefit from commercial pellets and other types of fish foods.

These can be found at pet stores and are specifically designed to provide a balanced diet.

To ensure that catfish receive adequate nutrition, it is important to provide a variety of foods.

As opportunistic feeders, catfish will feed on whatever is most readily available.

Thus, it is essential to provide a balanced diet of both natural and commercial foods.

By doing so, catfish in a pond can have access to a variety of food sources.

Do Catfish Eat Guppies?

Catfish are opportunistic feeders, which means they’ll eat just about anything they can get their mouths on – including guppies.

Though it may seem strange for a larger fish to feast on smaller guppies, these scavengers will happily take whatever they find in their environment.

As omnivores, catfish can consume both plant-based and animal-based foods.

Guppies are a popular food source for catfish because they’re slow-moving and easy to catch.

What’s more, they’re packed with protein – a key nutrient for catfish to remain healthy and grow.

Even though guppies are small, they can provide a good source of nutrition for catfish.

In the wild, it’s not uncommon to find catfish eating guppies.

However, guppies are a valuable part of the ecosystem, so it’s important to be mindful of how many a catfish can eat.

When it comes to aquariums, it’s best to limit a catfish’s guppy consumption and provide other sources of food like pellets and worms to ensure proper nutrition.

To answer the question, yes, catfish do eat guppies.

It’s important to be mindful of how many guppies a catfish can eat to make sure the guppies remain a valuable part of the ecosystem.

Do Catfish Eat Dead Bodies?

Catfish are opportunistic omnivores, meaning they will feed on whatever food is available to them, whether it be living or dead organisms such as insects, larvae, mollusks, worms, crustaceans, plants, and other fish.

Strange as it may sound, they have even been known to consume dead bodies.

The reason why catfish are attracted to dead bodies is due to their highly sensitive barbels (whiskers) that allow them to detect the presence of food.

When they sense something edible, they will swim towards it.

Once they reach their destination, they scavenge the flesh, bones, and organs for nutrients while ignoring the skin, hair, and other body parts that don’t contain much nutritional value.

Some catfish species, however, are known to consume the entire body, including the bones and organs.

Despite their ability to feed on dead bodies, catfish generally prefer live prey and are considered great sportfish, actively sought by anglers.

They are also a popular food source due to their tasty white meat.

Therefore, catfish are an important source of food for humans.

Do Catfish Eat Koi Fish?

Catfish are opportunistic feeders, consuming a variety of foods, including koi fish.

Koi fish are a domesticated form of the common carp and are popular in ponds and aquariums.

Catfish are bottom-dwellers that can be found in both fresh and saltwater, and can eat anything from plankton to other fish.

As such, they can easily find and consume koi fish in both environments.

Koi fish are an especially attractive meal for catfish because they are easy to detect with their strong whiskers, and they are slower swimmers than catfish.

Furthermore, koi fish are relatively small compared to larger catfish species, making them easier to consume.

Catfish have large, strong mouths that allow them to swallow koi fish whole.

Additionally, koi fish have a high fat content, making them an appealing meal.

It is important to note that catfish may also consume koi fish eggs, which are often laid in shallow areas of a pond or aquarium, making them easily accessible.

As such, it is important to take steps to protect koi fish and their eggs from predators, such as catfish.

Overall, catfish are well-equipped to find and consume koi fish, with their strong whiskers and large mouths.

Additionally, koi fish have a higher fat content, making them an attractive meal for catfish.

It is important to take steps to protect koi fish and their eggs from predators.

Do Catfish Eat Goldfish?

Catfish are opportunistic feeders, and the type of food they consume can depend on their species, size, and habitat.

In the wild, catfish often feed on smaller fish and invertebrates like insects, mollusks, crustaceans, and small amphibians.

Therefore, it’s not surprising that catfish will eat goldfish if they are available.

Common U.


catfish species like channel catfish, flathead catfish, and bullheads inhabit rivers, streams, lakes, and ponds where they can find their food sources.

The size of the goldfish and the size of the catfish will determine whether or not the catfish will eat the goldfish larger catfish are more likely to consume smaller goldfish.

It is important to note that catfish should not be kept with goldfish in an aquarium as the catfish can easily outcompete the goldfish for food and may even consume the goldfish.

If you want to keep both species of fish in the same aquarium, it is important to provide plenty of food sources for the goldfish to ensure that the catfish will not feed on them.

In summary, it is possible for catfish to eat goldfish, especially if they are in the same environment and the goldfish are small enough for the catfish to consume.

However, when introducing them into the same aquarium, you should consider the size of the fish, as larger catfish may feed on smaller goldfish.

Final Thoughts

After exploring the fascinating eating habits of catfish, we have come to the conclusion that catfish will, in fact, consume other fish.

This can depend on the specific type of catfish, as some are more carnivorous than others.

But overall, it’s safe to assume that if you keep catfish and other fish in the same tank, they may end up as a catfish’s meal.

Now that you know the answer to the question, “Will catfish eat other fish?”, you can make an informed decision when deciding which fish to keep in your tank.


James is a creative and imaginative individual. He loves to write and express himself through the written word. He is also a passionate pet fish owner, caring for and nurturing his fish with great enthusiasm.

Recent Posts