To. Shrimp and crab porridge shrimp and crab to be fried. Shrimp and crab congee, is a home cooked seafood congee, the production of raw materials are mainly rice, crab, shrimp. Shrimp and crab is another family of arthropods, belonging to the same decapods of the Crustacea. These animals have a very close relationship with humans, some of which are the main aquaculture or fishing objects, especially shrimp, lobster and crab.