Then, as this helpful guide explains, the resulting white fish paste is frozen, shaved into flakes, ground in a vat with starch, egg whites and flavorings to make it taste crab-like, then cooked and finally formed into a "rope" where orange die is painted on to give it that nice crab appearance.
Oh, and that red dye is usually made from crushed insects.
It Could be Worse...
Be careful when you're abroad and picking up a nice bottle of vodka to have with your imitation crab. Bootleg vodka production is rampant the world over and bottles that look completely legit on the shelf have huge amounts of methanol, which is a kind of alcohol, true, but it's the kind that's used as race car fuel and antifreeze.