Your dog can eat Tuna, in fact, there are many health benefits of doing so. The most important concern about Tuna is the level of mercury, especially in the larger species of Tuna. Skipjack Tuna is one of the better ones because it is small. Small amounts as snacks is perfectly fine and your dog will be able to reap the benefits. 

Tuna has a high protein content and contains plenty of antioxidants, omega-3 fatty acids. These are vital to healthy blood pressure, heart function and overall cardiovascular health. It also keeps dogs’ skin and coat shiny, silky and smooth.

Tuna also contains plenty of beneficial Vitamin B6, B12, D, niacin and riboflavin, and minerals like choline, iodine, iron, magnesium, phosphorus, potassium, and selenium (selenoneine). It’s also easier on sodium compared to other fish. Be sure that if you’re getting canned tuna, only get those in water, not in oil and not with flavoring, preservatives or seasoning.

Tuna has to be completely cooked to eliminate any bacteria and parasites. Tsuna by Kuro Snacks have been cooked at temperatures up to 120°C, so you need not worry about that.

With any new food, it’s always best to feed your dog only a little at first. Wait to see of there is any adverse reaction, if any, before you let your dog eat more. When in doubt, consult your veterinarian.