Q: Context: The dish was originally made with thinly sliced beef, but some versions use pork, crab, chicken, lamb, duck, or lobster. Most often, ribeye steak is used, but less tender cuts, such as top sirloin, are also common. A more expensive meat, such as wagyu, may also be used. It is usually served with tofu and vegetables, including Chinese cabbage, chrysanthemum leaves, nori (edible seaweed), onions, carrots, shiitake mushrooms and enokitake mushrooms. In some places, udon, mochi or harusame noodles may also be served.

Question: what kind of meat is used for shabu shabu?
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The relevant information to answer the above question is: The dish was originally made with thinly sliced beef, but some versions use pork, crab, chicken, lamb, duck, or lobster. So the answer is thinly sliced beef , but some versions use pork , crab , chicken , lamb , duck , or lobster.