Salmon and tuna are both delicious sources of protein packed with nutrients. Some of the most widely eaten seafood in the United States, salmon and tuna are versatile and offer impressive benefits. Eating fish can help support a healthy heart, brain, immune system, and more.

That's why the the recommends adults consume at least least eight ounces of fish (or two to three servings) per week. Whether roasted or grilled, eaten raw in sushi, or from a can, salmon and tuna are great additions to any diet. But which one is healthier? Dietitians compare the nutrition content and benefits of salmon versus tuna and discuss which one is healthiest.

Salmon refers to several species of fatty fish which generally fall into two categories, Pacific and Atlantic. Pacific salmon are mostly wild caught and include sockeye, coho, pink, chum and king (Chinook) varieties. All Atlantic salmon sold in the U.

S. is farmed, per the . "From a nutrition standpoint, (Atlantic and Pacific) salmon are pretty comparable," Caroline Susie, registered dietitian nutritionist and spokesperson for the Academy of Nutrition and Dietetics, tells TODAY.

com. But wild-caught salmon tends to be slightly higher in protein and omega-3 fatty acids, whereas Atlantic salmon is higher in fat and calories, says registered dietitian Frances Largeman-Roth. According to the U.

S. Department of Agriculture, one serving (3 ounces) of fresh , one of the most popular varieties in the U.S.

, cooked in dry heat (such as roasting), contai.