Can potatoes and hairtail fish be eaten together?
Under normal circumstances, potatoes and hairtail fish can be consumed together. Details are as follows:

Potatoes are common vegetables containing starch, dietary fiber, vitamin C, and other nutrients. Hairtail fish is a type of fish rich in protein, fat, vitamin A, unsaturated fatty acids, and other nutrients. From a nutritional perspective, there is no obvious incompatibility between potatoes and hairtail fish, and their nutritional components do not conflict or produce harmful substances. Therefore, under normal circumstances, potatoes and hairtail fish can be eaten together.
For certain specific populations, such as individuals with digestive system diseases, it may be necessary to avoid consuming potatoes and hairtail fish due to allergies. For example, patients with digestive system diseases might experience increased gastrointestinal burden due to the high starch content of potatoes and the high protein content of hairtail fish. Additionally, hairtail fish is a high-purine food, and excessive consumption by patients with gout may worsen their condition. Some people may be allergic to hairtail fish, and in such cases, it is not recommended to consume potatoes and hairtail fish together.
In daily life, before trying new food combinations, it is advisable to assess whether they are suitable for consumption based on individual constitution and health status to avoid adverse reactions.