According to EatByDate, the easiest way to tell if raw shrimp is bad is by checking the flesh for a slimy texture. Another way to determine if raw shrimp is bad is by smell. If the shrimp smell fishy, it is likely spoiled and may cause illness if consumed.
Raw shrimp typically lasts one to two days if kept in the refrigerator. One way to keep shrimp fresh is by putting it in a sealed container and placing it immediately in the refrigerator. Shrimp can also be placed in a freezer-safe container and stored in the freezer for up to eight months.