Tom yum goong or tom yam kung, the

Tom yum goong or tom yam kung, the version of the dish most popular among tourists, is made with prawns as the main ingredient.[2]
Tom yum paa (Lao) or tom yam pla (Thai) is a clear fish soup that was traditionally eaten with rice. It used to be the most widespread form of tom yam before mass-tourism came to Thailand, for fresh fish is readily available almost everywhere in the region's rivers, canals and lakes as well as in the sea. Usually fish with firm flesh that doesn't crumble after boiling is preferred for this type of soup