Crabs are shellfishes are found in seawater and freshwater. They are caught, farmed and consumed worldwide, amounting to 1.5 million tonnes annually. Crabs are a delicacy in various cuisines all over the world. They are a great source of protein, rich in vitamins and minerals and have long-chain of Omega-3 fatty acids. Crabs are also a good source of selenium, riboflavin (vitamin B2) along with copper and phosphorus, making it a great healthy food option.