All crab species are low in fat and a good source of protein. Like other marine species, crabs are rich in minerals like selenium and other nutrients. Some crab products that are brine frozen may have higher levels of sodium. Nutritional labels for two common species of cooked crab are provided.
The blue crab fishery is the largest crab fishery in the United States with over 150 million pounds landed on average with a value of over $200 million in 2010. Dungeness crab is the second largest crab fishery with an average of 60 million pounds caught and a total value of almost $140 million in 2010. Dungeness crabs are caught along much of the U.S. Pacific coast and a large portion of the catch is from Oregon and is the state’s most valuable single-species fishery. King and snow crabs are highly valued commercial species mainly caught in Alaska.