Can pets eat tuna? 🐟
Here’s whether tuna is safe for each kind of pet, based on established veterinary guidance.
Can dogs eat tuna?
In moderationA little plain tuna in spring water is fine for dogs, but not as a regular food.
Risk: Tuna can contain mercury and the salty brine versions are unhealthy.
Portion: A small spoonful occasionally; choose tuna in water, never in brine or oil.
Full guidance: can dogs eat tuna? →Can cats eat tuna?
In moderationA little plain tuna in spring water is a safe treat, but it should not replace cat food.
Risk: Too much can cause mercury build-up and tuna lacks key nutrients cats need; avoid brine versions.
Portion: A small spoonful occasionally as a treat.
Full guidance: can cats eat tuna? →Can rabbits eat tuna?
UnsafeRabbits are herbivores and must never eat tuna.
Risk: Fish is indigestible and harmful to rabbits.
Full guidance: can rabbits eat tuna? →Can guinea pigs eat tuna?
UnsafeGuinea pigs cannot eat tuna.
Risk: Fish cannot be digested by herbivores.
Full guidance: can guinea pigs eat tuna? →Can hamsters eat tuna?
UnsafeTuna is too salty and oily for hamsters; avoid it.
Risk: Salt and oil are harmful to such a small animal.
Full guidance: can hamsters eat tuna? →Worried your pet has eaten too much?
Contact your vet straight away, or call the Animal PoisonLine on 01202 509000 (24/7, UK). This page is general guidance based on veterinary sources and isn’t a substitute for professional advice — amount, preparation and your pet’s health all matter.