Squid is a mollusc belonging to the shellfish family, and they come in four varieties: black, white, hard shell and red. It is high in protein, minerals and low in calories. Squids can provide your body with about 90% of copper, which is a mineral needed for the absorption, storage as well as the metabolism of iron. Besides, copper found in squids also plays a role in the formation of red blood cells.
The term "shrimp" is a broad classification of any one of hundreds of small crustacean species that can be found throughout the world in marine habitats and are eaten by cultures across the globe. Shrimp is a popular option because it contains zero carbs, and is also very low in calories (approximately 1 calorie/1 gram of shrimp). As an organic life form, shrimp is packed with protein and is composed primarily of water, but there is also a small amount of fat as well. However, the most beneficial aspect of shrimp is the treasure trove of vitamins and nutrients that it contains.
