Can crabs and fruits be eaten together?
Generally speaking, crabs and fruits can be consumed together, but overconsumption should be avoided. Detailed analysis is as follows:

Crabs are rich in protein, fat, vitamins, and minerals, while fruits contain abundant vitamins, dietary fiber, and various trace elements. Consuming both in moderate amounts can help supplement nutrients required by the body and promote digestion. If an individual is not allergic to either crabs or fruits, moderate consumption typically won't cause adverse effects on health.
However, crabs are naturally cold in nature, and when consumed together with cold-natured fruits such as watermelon and pears, they may exacerbate discomfort in individuals with cold constitutions. Particularly for people with weak spleen and stomach functions, excessive consumption may easily cause abdominal pain, diarrhea, or indigestion. Additionally, some fruits contain high levels of tannic acid, such as persimmons, grapes, and pomegranates. Tannic acid can combine with the protein in crabs to form precipitates that are difficult to digest, potentially causing gastrointestinal discomfort. Therefore, it is recommended to consume crabs and fruits in moderation.
In daily diets, balanced intake of various foods and attention to food pairing can better meet the body's nutritional needs and promote health.