Home › Foods for dogs › Tuna
Can Dogs Eat Tuna?
Please read the risks below before offering any.
Is tuna safe for dogs?
Tuna is a saltwater fish, widely sold canned in water or oil, that is naturally high in mercury. A small amount of plain, cooked or canned-in-water tuna is fine as an occasional treat, but regular feeding can lead to mercury buildup and, in canned tuna, too much salt.
How to reduce the risks if you offer tuna
- Choose tuna canned in water with no added salt, and drain it well
- Offer a small amount, no more than once a week or so
- Do not let tuna replace a balanced diet
What to avoid
- Tuna packed in oil or brine
- Raw tuna, which can carry parasites and destroys thiamine over time
- Daily feeding, because of mercury buildup
- Tuna-flavored human snacks with added seasoning
How much tuna can my dog have?
If you decide to offer tuna despite the cautions above, give just one tiny taste and check with your vet first, especially if your dog has any health condition. When in doubt, skip it.
Signs your dog may be having a problem
Watch for vomiting, diarrhea, drooling, pawing at the mouth, loss of appetite, tiredness, a swollen or painful belly, or trouble breathing. Contact your vet right away if you see these signs, or if your dog has eaten any of the parts listed above.
Frequently asked questions
Can puppies eat tuna?
Because tuna needs extra caution for adult dogs, it is best to avoid it for puppies.
What if my dog ate too much tuna?
The most common result is an upset stomach with vomiting or diarrhea. Offer water, skip further treats, and call your vet if symptoms are severe or last more than a day, or if your dog ate any of the parts listed under "What to avoid".
Should tuna be a regular part of my dog's diet?
No. We recommend not making tuna a regular part of your dog's diet.
More questions dog owners ask
Wondering about the other pet in your home? Can Cats Eat Tuna?