Crabbing, or crab fishing, is simply just fishing for crabs. Different types of traps can be used depending on the type of crab, location, and your preference. Crabbing has been a great food source for fisherman. The crab pot is the most common method used to catch crabs. Here are several types of traps you can use to catch crabs: The Maryland crab pot; West Coast crab pot; Ring crab trap; Pyramid crab trap; Box crab trap, and Trot line crab trap. Crabs can also be caught like scallops with a mesh net. Be sure to follow the local rules and regulations for crabbing in your area.