Can Dogs Eat Tuna Fish?

When you’re enjoying a tuna sandwich or cracking open a can for lunch, it’s easy to wonder, can dogs have tuna? Tuna is packed with protein and omega-3 fatty acids, nutrients that sound like they’d benefit your dog. But is tuna really a safe choice for them?

Let’s take a closer look at the facts so you can make the best decision for your pup.

The Short Answer: Yes, But in Moderation

Dogs can safely eat tuna, especially when used in used in commercially made toppers or dog food. Tuna is a delicious and appealing protein to dogs and cats alike, but just like with many foods, more does not always mean better.

Fish like tuna, which are predators and live a long time, can accumulate environmental contaminants in their flesh. These contaminants can be detrimental if too much is consumed in a short period of time. This is something pet nutritionists consider carefully when formulating recipes, which is why tuna is used thoughtfully and often in combination with other protein sources in complete and balanced pet foods.

So, the takeaway: a bite now and then or when used in recipes carefully formulated by pet nutritionists and supported by rigorous quality and safety testing, including monitoring for heavy metals, it can be a safe and nutritious ingredient.

Remember that any additions to your pet's mealtime shouldn't make up more than 10% of your dog’s daily caloric intake, and it’s always a good idea to talk to your vet when introducing new foods.

Our Recommendation

Trout, Salmon & Herring Grain-Free Dry Dog Food

writeAReview

Made with premium-quality fish proteins including fresh trout, salmon and herring for easily digested protein and omega-3 fatty acids that support healthy skin and a shiny coat. Perfect for dogs that love the taste of fish.

View recipe

Is Tuna Good for Dogs?

There are some potential benefits to feeding small portions of tuna:

• High in lean protein: Tuna is rich in essential amino acids that support muscle health and energy, and compared to red meat, tuna can be a lighter option for dogs who need fewer calories.

• Omega-3 fatty acids: These healthy fats can help support your dog’s healthy skin and coat.

• Flavour: As a novel or uncommon protein for dogs, tuna can offer a delicious and new flavour for picky pets.

These benefits are also found in other fish proteins—like trout, salmon, and herring. In expertly formulated recipes, ingredient selection, sourcing and quality testing help to ensure that fish-based diets are both safe and nutritionally balanced for everyday meals.

Get Curated Pet Parenting Advice, Straight to Your Inbox

Stay connected with the latest expert advice, product releases, and exclusive contests by signing up to our email newsletter.

Don’t fill this out if you’re human:

Email Address

This field is empty or invalid, please fill it properly before submission

Check if you agree

By clicking Submit, you agree to our Terms of Use and Privacy Policy.

Sign up

Can Dogs Eat Canned Tuna?

If you’re thinking of offering canned tuna, here’s what to watch out for:

• Choose tuna in water, not oil. Oil-packed tuna adds unnecessary fats and calories your dog doesn’t need.

• Skip the salt. Many canned tunas are high in sodium, which your pets complete and balanced diet already contains enough of.

• Avoid added seasonings. Garlic, onion, and certain spices are toxic to dogs, so stick to plain tuna only.

A teaspoon or two of plain, canned tuna in water, served occasionally as a treat, is typically safe for most dogs.

Can Dogs Eat Tuna Fish Raw?

Raw tuna (or any raw fish) comes with a higher risk of parasites and bacteria. While freezing can help kill any parasites present, it doesn’t eliminate the risk of all potential pathogens¹, so while your dog might love the smell of fresh tuna, it’s safest to serve it cooked thoroughly (to an internal temperature of 145°F (71°C)¹).

Healthy Fish Options for Dogs

If your dog enjoys fishy flavours, there are many options that are excellent for regular feeding:

• Salmon (cooked, boneless)

• Whitefish (cod, pollock, halibut)

• Herring

• Sardines (in water, unsalted)

• Trout

These types of fish provide similar omega-3 benefits. Just be sure to serve unseasoned, cooked thoroughly, and de-boned. As always, the safest way to incorporate new proteins while ensuring your dog is getting all the nutrients they need is to feed as part of a complete and balanced diet made by experts.

The Bottom Line

So, can dogs eat tuna? Yes, in small amounts, occasionally, and prepared simply.

Tuna can be a safe treat, and when included in professionally formulated pet foods.

At the end of the day, sharing a small, well-cooked bite with your furry friend is fine. A little mindfulness goes a long way in keeping your dog healthy and happy.