Cats should not be fed goldfish—either the live fish or Goldfish crackers—as a treat or regular food.

Quick Scoop

  • Live goldfish can carry parasites and harmful bacteria (like Salmonella), plus aquarium chemicals from treated water, all of which can make a cat seriously ill.
  • Their small, hard bones are a choking hazard and can cause injuries or blockages in a cat’s throat or digestive tract.
  • Ethically, deliberately offering a live goldfish causes pain and distress to the fish and isn’t considered humane, even if a cat is a natural hunter.
  • Goldfish crackers are also unsafe: they are salty, carb‑heavy, and often contain onion powder and dairy, which can be harmful or irritating to cats and have no nutritional benefit.

If Your Cat Ate a Goldfish

  • A one‑time “snatch and swallow” incident may not be catastrophic, but it does carry risks of parasites, bacteria, and bone injury, so monitoring your cat and contacting a vet is recommended.
  • Watch for vomiting, diarrhea, drooling, coughing, gagging, lethargy, or loss of appetite, and seek urgent veterinary help if any of these appear.

Safer Alternatives

  • For cats that love fish, options like plain cooked salmon or sardines (in water, no added salt, bones removed) are much safer, occasional treats.
  • Cats should still get most of their nutrition from a complete commercial cat diet, with fish used only as a small extra, not a staple.

Information gathered from public forums or data available on the internet and portrayed here.