Yes, you can feed tuna to your dog safely, but only if served in moderation. Tuna fish is loaded with nutrients but can also harm your pooch. Don’t worry! We have covered everything you need to know about “can dogs eat tuna?” 

In short- YES! Dogs can eat tuna fish, but only in moderation. Let’s explore more on this in the article ahead.

Is Tuna Good For Dogs?

There are several health benefits of serving tuna to dogs. It is one of the human foods that are safe for dogs. Let’s explore why tuna is good for dogs:

1. Power of protein

Tuna is rich in protein, making it a perfect addition to your dog’s diet. A protein-rich diet is essential for dogs to build muscles and keep their bodies fit. Also, the amino acids help to boost the immune system of dogs so they can fight off diseases. 

2. Healthy and shiny coat

Having rough, dry, and itchy skin is a pretty common health concern in dogs. Surprisingly, the amino acids and natural oil of the tuna help to maintain a healthy coat. If you incorporate tuna into your dog’s diet, it will eventually make your dog’s fur softer and shinier. You can also rub coconut oil on your dog’s skin to reduce inflammation and irritation. 

3. Vitamins and minerals

Tuna fish is also packed with several vitamins and minerals, which gives us another reason why we love tuna for dogs- if served in moderation. Here are the vitamins and minerals in tuna:

  • Vitamin B
  • Vitamin D
  • Iodine
  • Magnesium
  • Phosphorus
  • Selenium

Can Dogs Eat All These Types of Tuna?

So you don’t get confused between safe and unsafe tuna, here is all that you need to know:

1. Canned tuna

Yes, you can feed canned tuna to your dog. It is generally considered safe when given occasionally to dogs. The only catch while feeding your dog canned tuna is to ensure it is soaked in water, not oil or brine. Why? You’ll find the reason below. 

2. Raw tuna

If your dog comes around asking for raw tuna, your simple answer should be a BIG NO! You should NEVER feed raw tuna to your dogs. It is essential to know that raw seafood like tuna, tilapia, crabs, or scallops are loaded with tons and tons of bacteria and parasites that can cause severe food poisoning in dogs (article). 

3. Tuna in brine or oil

Last but not least, humans can be irresponsible at times when it comes to maintaining good health, but one cannot do the same with dogs. They have a more sensitive gut, so any ingredient can break or make the health game for your pooch. 

In the case of canned tuna, humans enjoy having it in oil and in brine as it adds a palatable flavor. However, too much oil can cause pancreatitis, and too much sodium can be a poisoning nightmare for your pooch. Furthermore, articles state that it would be best to feed your dog tuna in water only (1, 2). 

dog wondering if he can eat tuna

Safe Ways to Feed Your Dog Tunaa

Here are a few things you should keep in mind before feeding tuna to your dog:

1. Tuna in water, not in oil

As mentioned above, please stick with serving your dog tuna in water and not in oil or brine. It can be very harmful for your dog to consume these two ingredients in BIG WAYS! Especially if your dog already has an underlying health condition, you better be extra cautious when serving them any food.  

2. Moderation

Coming to the next point, even though we know that tuna is packed with the goodness of necessary nutrients, to be safe, you still need only to feed your dog small amounts of it. It is because too much of anything can make your dog sick or cause digestive problems. Also, the more your dog eats it, the more bored they get of it!

3. Mercury poisoning

One of the most concerning things about feeding tuna to your dog is the mercury content. Overeating tuna can lead to mercury poisoning in animals (article). However, its effects also depend on quite a few factors, such as the level of mercury intake, the individual’s tolerance, and the size of the dog breed. To be safer, you should give your dog tuna as an occasional treat. This is because minimal amounts of mercury may not be so harmful to the dog (study).  

4. Prepare well

Here are the steps to follow to prep the best ever tuna for your doggo:

Step 1: Pick fresh and good-quality tuna and wash it thoroughly under running water.

Step 2: Cook the tuna steak properly to avoid bacterial attack 

Step 3: Once cooked, Cut the tuna steak into bite-sized pieces for easy eating

The big catch here is not to add any seasonings and serve plain tuna to your dog!


In a nutshell, the answer to “can dogs eat tuna?” is a YES! Tuna is a safe superfood for dogs, but only if it is served in moderation. In fact, it is filled with the goodness of vitamins, minerals, protein, and omega-3 fatty acids that help with the dog’s overall well-being.

The only catch is to avoid feeding your dog canned tuna in oil or brine and instead switch to tuna in water. Overall, the best and safest way to add tuna to your dog’s diet is to get fresh tuna, cook it well, and serve it in small portions.

Frequently Asked Questions

Can dogs eat tuna steak?

Yes, you can feed your dog tuna steak as it has high nutritional value and serves many health benefits to your dog. Not only is tuna steak tasty, but it can be a great addition to your dog’s occasional meals or training treats menu. The only catch is to cook it thoroughly and avoid seasonings.

Is tuna good for dogs with kidney disease?

There is not much evidence to suggest that tuna will help dogs with kidney problems in any way. Please consult your veterinarian before feeding your dog any food item for medication or “cure” purposes.

Can dogs eat tuna in sunflower oil?

No. You should only feed your dog plain and unseasoned. Using sunflower or any other oil will deteriorate the nutritional value and potentially cause health hazards. Hence, either serve your dog plain and cooked tuna steak or tuna in water.

Is tuna bad for dogs?

If you prepare it properly, tuna can be good for dogs. The only reason why canned tuna is bad for dogs is because it’s highly processed, and tuna has traces of mercury, which can cause mercury poisoning in dogs. Rest, serving your dog cooked and plain fresh tuna is better than any other way.

How much tuna can I feed my dog?

You can feed your dog from a teaspoon to a couple of tablespoons of tuna. The proportions depend highly upon factors such as size, age, and overall diet of your dog. Tuna should only be a treat, and occasionally, you can top some freshly cooked tuna over their kibbles.

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