Can Dogs Eat Tuna?- Basic Information For Pet Owners

Dogs are biological omnivores that can consume both meat and plants. In reality, the canine tends towards animal foods such as muscles, organs, and seafoods.

However, can dogs eat tuna?- a nutritious yet high in ocean waste fish. I will shed light on this argument in my post.

Can Dogs Eat Tuna?

Raw Tuna

Many cultures around the world embody raw fish in their cuisines. Tuna is an ideal meal for many people as well. Nevertheless, even though tuna is your gourmet dish, it may not be edible for your golden retriever puppies Florida.

Scientists have suspected a tremendous amount of parasites and harmful bacteria in raw fish’s blood vessels.

If you adopt the rottweiler puppies for sale from a breeder that has never fed them raw fish before, there is a high chance that the dogs can not digest seafood properly.

Puppies should stay away from raw tuna dishes

Moreover, raw tuna contains thiaminase, which deters the vitamin B1 absorption in the dogs’ organs. B1 is an essential mineral which should be absorbed in an effective bioavailability form. Otherwise, the brain and muscle can not function smoothly.

Steaming the fish before tossing it to the dogs is necessary to assure your pets’ safeness. This preparation step will diminish the adverse enzyme and contamination in the tuna.

Canned Tuna

Many pet owners prefer canned seafood to flesh because it is more convenient and time-saving. In common assumption, canned tuna should be suitable for dogs as it is a pre-cooked product.

Generally speaking, you can feed your pet commercial packed tuna as long as you read the ingredients thoroughly. In my experience, almost every food industry’s brand adds extra salt, food coloring, additives, and preservatives to the food. 

Some may include vegetable oils, which is delicious for you but maybe indigestible for your pets. To pick out the appropriate one, you have to skim the food labels. The best option is the tuna meat soaking in plain water instead of oil and no salt added.

Canned tuna for dogs only

Canned tuna for dogs only

Due to modernization, several pet service companies have introduced specific canned tuna for dogs. I highly recommend those products as they are much cheaper compared to fresh and common canned tuna.

Is Mercury In Tuna Harmful For Dogs?

Mercury in seafood has sparked debate on the press and social media for recent years. As you may know, mercury is a heavy chemical that exists in the atmosphere’s cycle. It follows the soil, the stream, and as a consequence, accumulates in the ocean.

Nutritionists accuse tuna for having greater mercury amounts, among other aqua life, as it lives in the sea’s metal-rich layer. The toxic can cause many dangerous health effects to your poor puppy.

Is Mercury In Tuna Harmful For Dogs?

The visible poisoning symptoms can be diarrhea, vomiting, or unable to urinate and have a bowel movement. In the worse case, mercury can damage the nervous system. Hence, your dogs may feel extremely grumpy and express uncoordinated behaviors.

To avoid unfortunate accidents, you have to be aware of the food source. Please make sure the tuna fish you bought are wild-caught and bred in a qualified area. If your dogs are sensitive to heavy metals, please cut the tuna out of the diet completely.

In case your dogs already consume tuna and show the abnormal symptoms listed above, you have to bring them to the vet as soon as possible.

Appropriate Quantity Of Tuna For Dogs

Tuna contains protein, omega-3 fatty acids and trace minerals, which are lacking in ruminants meat. Notwithstanding, you should use it in a controlled portion in your dogs’ meal plan.

Dogs can enjoy high-quality canned tuna

Dogs can enjoy high-quality canned tuna

First, you have to start slowly with a spoonful of well-cooked tuna mixing in the main dish. Simultaneously, record the quantity and observe your dogs’ reaction for a few days. 

After the testing period, you can add more tuna if there is no allergy or food poisoning symptoms. Please remember to increase the portion gradually. 

As far as I know, an average 50-pound dog can consume approximately one can of tuna every week. The recommended portion size can vary depending on each breed of canine.


Although fish are nutrition-rich food, you better feed them to the canine cautiously. “Can dogs eat tuna?” is still controversial among pet lovers as many do not consider tuna an optimal choice for their four-legged friends. 

Although my post is not an alternative for veterinary advice, I hope you can acknowledge more helpful information about this hot topic. 

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