Portunus Segnis

Crab itself is a great lean protein source that is extremely low in fat. It has around 80 calories,20 gm of fat, and less than 1 gm of carbohydrate.

It also provides almost 25% of the daily value for zinc, which is linked to good immune function, protection against cardiovascular disease, and fertility. It contains about 10% of the daily value for calcium, greater than 100% of the daily value for Vitamin B12, and small amounts of many of the other B vitamins. It's also low in mercury.