To make a long story short, yes, dogs can eat fish, and fish can be a part of a healthy diet for your dog, provided it is fully cooked without any additional oils and seasonings, does not contain any bones, and is not a species prone to high levels of mercury such as tuna.

What types of fish can dogs eat?

There are many varieties of fish that are good for dogs. “Tuna, salmon, whitefish, cod and whiting (also known as hank) are all good fish for dogs to eat,” says Dempsey. “Purina uses fish in our foods because it is a good source of many of the nutrients dogs need,” Dempsey explains.

What fish is bad for dogs?