A fish cannery refers to a processing facility where raw fish is prepared and preserved in cans. While the term fish cannery is commonly used, there are other synonyms that describe the same thing. A fish packing plant typically performs the same function as a fish cannery, but the term is often used to describe facilities that process fresh fish. A fish processing plant refers to a facility that not just cans but also freezes, dries, and even smokes fish. A seafood cannery, on the other hand, is a term that describes facilities that can fish or shellfish, including prawns, crab, and lobster.