Crab meat California roll is most likely made of Alaska Pollock. Also called Walleye Pollock, Snow Cod, or Whiting, this fish is abundant in the Bering Sea near Alaska and can also be found along the central California coast and in the Sea of Japan. Pollock has a very mild flavor, making it ideal for the processing and artificial flavoring of imitation crab. While Pollock is the most common fish used to make imitation crab, New Zealand Hoki is also used, and some Asian manufacturers use Southeast Asian fish like Golden Treadfin Bream and White Croaker. However, imitation crab does have nutritional
Soft-shell crab main species is the blue crab, "Callinectes sapidus", which appears in markets from April to September. In the Deep South region of the United States, "Buster crab" is often a synonym for a plump, meaty soft-shell crab, this usage especially common in the culinary centers such as New Orleans and Charlotte. This is despite the fact that the original meaning of Buster crab referred to either a soft-shell that had yet to complete molting, or to a soft-shell that had died before being provided to a seafood vendor, and was then consumed by the crabber. In Japan, various species are