Most crabs' staple food is meat, but some crabs will eat other foods. Wild crabs will catch small animals in the water for their food, such as fish, shrimp, and mollusks. Some crabs also eat algae. Farmed crabs can eat more foods, the most common of which are screws, shrimp, clams, fish, and breadworms. In addition to these meats, they can also eat potatoes, squash, rice, breadcrumbs, and other vegetarian foods. Crabs are crustaceans that are common in our daily life. Most of the crabs are carnivores and their main food is meat. Wild crabs will catch a wide variety of animals in the water as their food. Fish, shrimp, and mollusks may all be food for crabs. However, some animals will eat algae in the water, and sometimes some organic debris in the water will become their own food. Crabs can also be farmed in captivity. There are more foods available to them when you feed them. The most common are various meats such as screws, shrimps, clams and fish. Aside from these meats, there are actually many other foods that crabs can eat, such as potatoes, pumpkin, rice, and bread crumbs. Crabs also prefer to eat them. When feeding them, feeding them different foods can make them replenish richer nutrition.