Canned cats and cat food are all for cats, which are basically "dry goods+water". Protein, fat, vitamins, trace elements and other substances are collectively called dry goods, and water is water.

Of the 200g canned cat, only 8g is meat, and the rest is basically water and other things. Note that the water content of canned cats is above 90%. There is also a simple comparison. The nutrition and energy provided by 200g canned cat is equivalent to 40g cat food, which means that the capacity density of cat food is much higher.