Sardines for dogs: what to know before you feed them

Can dogs eat sardines? The honest answer depends on three things: the form the sardine comes in, what else is in the can or bag, and how big a share of the day's food it becomes. We sell freeze-dried whole sardines, so we have a stake in this. That is why this guide makes no health claims, offers no list of benefits and does not say sardines suit every dog. Where a named source says something, we cite it. Where none does, we say so and point you to your veterinarian.

Canned sardines

With canned fish, the liquid it is packed in matters as much as the fish. Cans come in water, oil, tomato sauce, brine and more. On salt, the ASPCA warns that too much can cause heavy thirst and urination and can upset the balance of electrolytes in the blood, with more serious signs at higher amounts (ASPCA, People Foods to Avoid, opened 2026-10-16). On oil, the AKC says fish prepared with too much of it can give a dog an upset stomach and can even lead to pancreatitis, and it warns against seasonings such as garlic (AKC, Can Dogs Eat Fish, opened 2026-10-16).

Neither source gives a safe amount of canned sardines, so we do not either. If you are thinking about sharing a can, read the ingredients for salt, oil, sauce and seasoning, and ask your veterinarian first.

Fresh or raw sardines

The AKC's own summary favors fish that is fully cooked, plain, boneless and from a low-mercury species, and it points out that raw fish can carry Salmonella and Listeria, which can make a dog ill and can spread to the people who live with it. The FDA's advice for anyone handling raw pet food is to wash hands with soap and water for 20 seconds or longer, disinfect bowls and counters, and not let the pet lick your face after a raw meal (FDA, Get the Facts, opened 2026-10-16). We give no directions for preparing fresh fish at home.

Freeze-dried sardines, including ours

Ours are whole sardines with nothing added: no salt, oil, sauce or seasoning, and no additives or preservatives. They are freeze-dried from raw, a small batch at a time, into dry, crisp fish that need no refrigerator.

Raw before drying is still raw in VCA's treat advice: it urges caution with freeze-dried or dehydrated raw treats because of the risk of bacterial contamination, both for the dog eating them and for other pets and people in the home (VCA, Dog Treats, opened 2026-10-16). That is a fair point to weigh, and it is why our pages ask you to wash up after handling. If anyone in your home is very young or has a weakened immune system, groups the AKC singles out, talk with your veterinarian before bringing raw treats home.

Bones

Our sardines keep their bones. Our listing describes those bones as small and soft, made brittle by freeze-drying. That describes our product; it is not a safety claim, and the sources are more cautious. The AKC calls fish bones the biggest risk of feeding fish, says they are small, brittle and dangerous, and says they can lodge in a dog's mouth, throat, stomach or intestines. The ASPCA warns that bones can injure or block a pet's gut, sometimes needing surgery. If you choose whole sardines:

• Stay with your dog while it eats, every time
• Match the piece to the dog, and break sardines in half or smaller for a small mouth
• Never leave whole fish out for a dog to eat alone
• Ask your veterinarian first if you are unsure how your dog handles bones

How much

We cannot give you a number of sardines. Our label gives calories, not a count, and a dog's size, activity and regular food all change the answer. What the sources and our label do give:

• VCA's general rule is about 90 percent of a dog's daily calories from complete and balanced food and no more than about 10 percent from treats (VCA, Dog Treats, opened 2026-10-16). The AKC gives the same 10 percent figure.
• VCA also suggests adding one new treat at a time and offering just a small piece the first time.
• Our sardines print 3,347 kcal ME/kg, approximately 94.9 kcal per ounce. That is calorie-dense for a treat, so small pieces go a long way.

The freeze-dried sardines page has a calculator that turns your dog's daily calories into a 10 percent treat budget in grams and ounces. It does arithmetic only. Your veterinarian sets the calorie target.

What we do not claim

We do not turn nutrients into promises, and we make no claims about coat, joints, heart, brain or anything else. We do not say where the fish are caught. We will not rank sardines against tuna or any other fish for your dog, beyond noting that the AKC names tuna as a higher-mercury species; the choice for your own dog belongs with your veterinarian.

When to call your veterinarian

Before a first sardine, if your dog has a sensitive stomach, a health condition, a special diet or medication, or has reacted to fish or seafood. Afterward, if anything about how your dog eats or acts worries you. If you think your dog ate something toxic, call your vet or the ASPCA Animal Poison Control Center.

Related: sardine heads, can dogs eat anchovies.