There are many preparation methods ranging from the use of a single type of fish to the combination of various types of seafood (there are also varieties that could be considered exactly the same as Japanese sashimi if soy sauce were used as a seasoning).
単品で食したり、また色んな魚介類を混ぜ食したりと調理法は様々である（実際、調味料を醤油に変えれば、正味日本の刺身になるものもある）。