Can Dogs Eat Tuna?

canned tuna in a white bowl

Dog owners often ask the question, “can dogs eat tuna?”

Can dogs eat tuna? Many of us have cans of tuna or sardines at home. Because tuna is one of the most frequently consumed fish, it’s a good question whether our dogs can eat it as well. In addition, canned tuna is convenient and cost-effective, making it a tempting dish to offer to our dogs. But can dogs eat tuna safely?

Tuna, also known as the ideal cat food, has an enticing aroma that can tempt dogs and cats. So, if your pup is begging for a bite, there are a few things you should know before giving in to those puppy eyes.

There are a lot of differing viewpoints on the subject of whether or not dogs can eat tuna. Tuna is safe to consume in many well-balanced dog foods, but adding extra tuna as a treat raises some concerns. Some experts will not hesitate to suggest this fish, while others warn against feeding additional tuna to your dog.

Can dogs eat tuna with no worries? Unfortunately, there are reasons to be wary of tuna. However, when given in small amounts regularly, tuna is unlikely to cause health problems for your dog. Every dog is unique, so if you want to give your dog tuna, it’s essential to start with tiny portions and observe how your dog reacts.

Can Dogs Eat Tuna for Health Benefits?

Tuna is a saltwater fish that’s high in protein, selenium, magnesium, and potassium, as well as vitamins B3, B6, and B12. It’s also high in omega-3 fatty acids. These factors make it an excellent addition to a healthy human diet and can also help dogs.

When consumed in moderation, tuna fish can benefit your dog’s joints and immune system. It can also aid in the maintenance of a healthy amount of energy by strengthening their bones. When it comes to those omega-3s, they’re fantastic for making your dog’s coat thick and glossy, as well as reducing bodily inflammation.

However, if your dog overeats a good thing, it can backfire, which is why it’s important to understand the dangers that tuna fish may pose.

canned tuna in a bowl

Can Dogs Eat Tuna That Is Canned?

Canned tuna is a wonderful and nutritious way to add fish to our diets, and nearly all of us have at least one can in the cupboard. Can dogs eat tuna chunks with us?

Tuna in a can is usually from the Albacore or Skipjack species of tuna, which are both lower in mercury.

On the other hand, canned tuna fish is often high in salt, which isn’t good for our dogs. However, you may discover cans with no added salt if you look hard enough; they’re a superior option if you intend to share the fish with your dog.

Can dogs eat tuna that is spiced up? Some tinned tuna is seasoned or “infused” with herbs and spices. While it may make them particularly tasty for people and wonderful on a tuna salad, you should never give your dog any canned tuna that has extra seasonings and spices because they can cause disease.

Canned tuna is also kept in various liquids beyond the species, spices, and salt. Chunks are present in brine, sunflower oil, or freshwater, but which one is appropriate for dogs?

Can Dogs Eat Tuna in Brine?

Although a tiny amount of tuna in brine isn’t poisonous, it’s best to avoid feeding it to your dog. This is because it contains a lot of salt, which is harmful to dogs, and excessive consumption can lead to sodium poisoning.

Can dogs eat tuna that is healthy? Tuna canned in spring water is the most beneficial choice because it has less salt and fat than other types of canned tuna.

Can Dogs Eat Tuna in Sunflower Oil?

It’s safe to feed your dog a little tuna that was canned in oil if you’ve drained it properly. Sunflower oil has less saturated fat than other oils and, if consumed in moderation, may even help the shine in your dog’s coat.

However, excessive oil consumption may lead to weight gain and inflammation. For example, sunflower oil has omega-6, which is beneficial to your dog’s health, but it must be consumed alongside omega-3 for the sake of inflammation and unwanted immune responses.

So can dogs eat tuna in sunflower oil? Tuna in sunflower oil is fine for dogs when eaten in moderation, but spring-water canned tuna is ideal.

pieces of canned tuna in a bowl

Can Dogs Eat Tuna Steak?

Tuna steak can be pretty challenging to understand. Human gourmets believe that bluefin tuna is the finest, and we even consume raw tuna in sushi and sashimi. However, don’t let your dog eat raw tuna because it may contain parasites and is more likely to cause stomach upset than cooked fish. Furthermore, never give your dog an expensive, high-quality piece as you might enjoy.

Can dogs eat tuna that is rare when cooked? On the other hand, if your tuna steak comes from a species with lower mercury content, such as Albacore tuna or Skipjack tuna, you may safely give it to your dog. Fresh Skipjack and Albacore are frequently used in canned tuna steaks. If you give your dog fresh tuna steak, be sure it’s cooked safely and to at least a medium temperature.

Can Dogs Eat Tuna in Water?

Most tuna in water contains added salt; some cans contain up to 40% more sodium than tuna in oil. While it’s not poisonous or dangerous for dogs, too much salt may lead to excessive thirst, which makes your dog drink more water than usual.

Can dogs eat tuna in water safely? You can feed your dog some canned tuna in water without worrying about toxic chemicals because tuna are low on the food chain and don’t accumulate mercury.

Canned tuna with added spring water is usually lower in salt than standard canned tuna, so choose this variety if it’s available to you. Watch your dog’s water intake if you feed him saltier types from time to time.

Can Dogs Eat Tuna With Mayo?

Tuna may be mixed with mayonnaise and eaten by dogs. Just keep in mind not to give your dog too much mayonnaise, which can be high in fat and harmful to your pet.

Although fat is vital to a dog’s diet, either too little or too much mayonnaise may be harmful. Only feed your dog tuna with mayo occasionally and not as a large portion of his diet.

dog eating out of orange bowl

Can Dogs Eat Tuna That is Raw?

No, your dog shouldn’t be fed raw tuna fish. Raw fish might be infested with parasites or germs that can make your dog sick. Raw fish contains thiaminase, an enzyme that prevents vitamin B1 from being absorbed.

When the fish is cooked, this harmful enzyme is destroyed, making it another reason why tuna should be thoroughly cooked.

Can Dogs Eat Tuna That Contain Mercury?

The seas are a large repository for our garbage and pollutants. Mercury and lead enter our waters through erosion, precipitation, rivers, and human pollution, accumulating in the tissues of creatures that call the ocean home.

The longer a fish lives, the more heavy metals it accumulates. This is because they ingest a small quantity of mercury with every meal, which can’t be digested.

Like other big and long-lived fish, tuna has more mercury than other species. This is because it lives longer in the ocean eating smaller fish, including the harmful metals from those other fish. As a result, various levels of mercury toxicity are found in multiple types of tuna. Skipjack tuna, for example, is tiny and contains three times less mercury than bigger species like Albacore.

Every time your dog consumes tuna, a tiny amount of mercury is introduced to your diet. In the long run, this isn’t a significant problem. However, if your dog eats a lot of tuna all at once, you may ingest too much mercury and become ill.

If your dog displays any poisoning symptoms after eating, such as tremors and excessive drooling, go to the veterinarian right away.

So can dogs eat tuna with mercury? It’s best to feed tuna in moderation to avoid the danger of mercury poisoning. If you’re worried about your dog’s food containing too much mercury, try providing them with other types of fish like salmon or white fish instead. These fish have comparable nutritional benefits but far lower levels of mercury, so they’re a better option than tuna.

Can Dogs Eat Tuna, and How Much Can They Have?

Tuna is fine when consumed in moderation, but don’t feed your dog tuna daily because it will increase the amount of mercury in his tissues.

Feed them one tablespoon of any tuna. Avoid feeding your dog simply because he is hungry. Keep the quantity of tuna you give your dog to a minimum, and only offer it to him once or twice a week. When giving your dog new food, start with a tiny amount and observe for any symptoms of illness.

If you have a big dog, feed them no more than a can of tuna every seven days, and don’t offer them one every week. Because small dogs have a reduced tolerance, they should eat even less: as little as half a can per week. Do not let your dog eat an entire tin of tuna in one sitting, regardless of their size.

Can dogs eat tuna every week? If you give your dog tuna, don’t give them any more for a few weeks. Larger dogs can consume tuna again sooner than smaller breeds, but most people take the cautious side and keep tuna as a special treat.

To be safe, avoid feeding your dog tuna regularly. A spoonful of tuna in their dinner every few weeks should not cause any problems. So, if you’re making yourself a tuna sandwich or a pasta bake, save the rest of the fish for an occasional treat for your dog.

dog eating out of dog bowl

Can Dogs Eat Tuna Mixed in Their Dog Food?

Before you start adding tuna to your dog’s next meal, there are a few things to think about.

Tuna is not the worst food for your dog, but it isn’t exactly the safest. Tuna might cause various issues for your dog and should only be eaten in small amounts.

Dogs can eat tuna, but it should only be done under certain conditions. For example, tuna should never have bones in it, and the whole fish should only be fed to your dog deboned, since bones might cause choking or intestinal obstruction.

Many pet owners wish to supplement their dog’s regular commercial dog food with a can of tuna to provide it with extra taste and nutrients. However, before offering your dog canned tuna, be sure it is placed in water rather than oil.

Tuna in oil is high in fat, so it adds calories to your dog’s diet and puts his heart or pancreas at risk. As a result, it should be avoided. You should also avoid adding salt or other seasonings to your dog’s tuna because these are harmful to him.

It’s also vital not to offer your dog tuna in his regular dog food very frequently, if at all.

Putting tuna in your dog’s food can make it difficult for him to accept his portions without human food mixed in.

You may believe that your dog won’t notice the difference, but he will! If your dog refuses to eat his usual food, you might want to try mixing in different types of foods instead of tuna most of the time.

If you’re worried that your dog isn’t getting enough protein in his diet, consider buying high-protein dog food and discuss it with your veterinarian.

Can Dogs Eat Tuna if They’re a Puppy?

Feeding your puppy tuna may not be a good idea. While omega-3 fatty acids in tuna are beneficial, you should also consider the fish’s mercury content. In addition, their puppy food should contain all of the essential minerals he needs.

Because your puppy’s gastrointestinal and digestive system is still developing throughout their first year, any stomach problems should be avoided.

a can of tuna

Can Dogs Eat Tuna if it’s Cooked?

If you wish to serve cooked tuna for your dog, it’s best to buy it in steaks, and you can steam, grill, or bake it. Add no salt or seasonings and make sure any bones are removed. Fishbones are tiny and can cause irritation or bodily damage if they scrape or puncture the stomach wall as your dog ingests them.

A dog should not be fed the tuna fish’s fins, tail, or head because they are all choking hazards and can cause oral trauma and intestinal perforation. Before serving fresh tuna to your pet, clean it thoroughly, debone it if necessary, and fillet it.

Can Dogs Eat Tuna if They Have a Sensitive Tummy?

Commercial dog foods that contain tuna are designed to assist dogs with sensitive stomachs who have trouble processing other types of protein, such as poultry. However, each dog is different, and food allergies and sensitivities can vary from one to another, so there isn’t a specific guideline on whether or not eating tuna will aid in treating stomach issues.

Can dogs eat tuna to reduce a sensitive stomach? Fish are said to have a lower fat level, which may help with allergic reactions. However, because fish is more easily digested than other animal proteins, some pet nutritionists claim that fish can help reduce sensitivities. It simply implies that you have more control over your dog’s sensitivity to proteins.

Never feed a new meal to your dog all at once. Instead, only give him a tiny amount of the food at first. Then, after you’ve observed whether he has an adverse reaction, you should allow him to consume more.

Can Dogs With Kidney Disease Eat Tuna?

When your dog has persistent health problems, such as kidney disease, they will need a significant nutritional overhaul to keep healthy. Some researchers have found that pets who eat diets tailored to their condition may live twice as long as those who consume a general diet.

Can dogs eat tuna safely with kidney disease? In general, a diet tailored for dogs suffering from chronic kidney disease should have less protein, phosphorus, and salt consumption while having more omega-3 fatty acids.

Tuna is a fantastic supplier of omega 3 fatty acids, but it’s also high in protein. In addition, if canned tuna has been kept in brine, it’s more likely to be salty. So unless your dog’s vet tells you otherwise, it is recommended to look for an alternative omega-3 fatty acid source for your dog.

dog laying in front of empty dog bowl

Is Tuna Ever Bad for Dogs?

Despite everything mentioned above, tuna should not be a regular part of your dog’s diet. This is because tuna also contains mercury, which might be harmful to dogs’ health. Over time, ingesting large amounts of tuna will result in mercury build-up, resulting in potentially fatal illnesses.

The bottom line is that while tuna has a great nutrient profile, other fresh, short-lived fish with lower mercury levels can provide the same advantages without the drawbacks.


So, can dogs eat tuna? Yes, a modest amount of tuna may be eaten by dogs. Tuna canned in spring water is the greatest kind to provide your dog. However, it would be best if you never offered your dog tuna daily to prevent them from developing mercury poisoning.

If you’re thinking about giving your dog some fishy food, salmon is a much better choice than other types of fish. Salmon is a high-quality protein that may be found in several Pure recipes, and it has several beneficial characteristics.

Salmon is the gold standard for dogs. It promotes growth and development, has a lot of omega 3 to aid digestion and inflammation reduction, and is high in vitamins and antioxidants to ensure your pup’s health as possible.

So can dogs eat tuna? Yes, but in moderation!

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