Fish & seafood · updated 2026-09-12
Can cats eat sardines?
Yes — cats love them, in moderation.
Why
Good omega-3 and calcium; low mercury. Water-packed only.
How to serve it
Half a sardine as a treat, a couple of times a week.
If they eat too much
Stomach upset if overfed; fish-heavy diets cause imbalance.
How much sardines for my cat?
A daily maximum for a healthy adult cat, kept inside the 10% treat rule. Enter body weight.
Up to 4 g a day — about a teaspoon · tinned in water.
Treats of all kinds should stay under about 10% of daily calories. Puppies, kittens, seniors and pets with a medical condition: ask your vet first.
And for dogs?
Safe. Yes — tinned in water, no salt, a few. Can dogs eat sardines? →
Related foods for cats
- AnchoviesIn moderation
- Cod & white fishSafe
- Crab & lobsterIn moderation
- Fish bonesToxic
- Mussels & clamsIn moderation
- Raw fishAvoid
See the whole list: Can cats eat…? · printable fridge chart
This guide is general information for healthy adult cats, based on published veterinary guidance (ASPCA, Pet Poison Helpline, AKC, VCA). It is not a substitute for advice from your own vet, who knows your cat's weight, age and medical history. If you are unsure, ask them before sharing any human food.