Fish & seafood · updated 2026-09-12
Can cats eat mussels & clams?
A small cooked piece.
Why
Cats enjoy shellfish; cooked and shelled only.
How to serve it
A small piece, rarely.
If they eat too much
Stomach upset, allergy.
How much mussels & clams for my cat?
A daily maximum for a healthy adult cat, kept inside the 10% treat rule. Enter body weight.
Up to 2 g a day — a pea-sized piece · cooked, shelled.
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?
In moderation. Cooked, shelled, plain — a few. Can dogs eat mussels & clams? →
Related foods for cats
- AnchoviesIn moderation
- Cod & white fishSafe
- Crab & lobsterIn moderation
- Fish bonesToxic
- Raw fishAvoid
- SalmonSafe
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.