Not true. Everyone ate fish.
people like fish and they sit in bed.
Medieval people who lived along the coast at fresh ocean fish, crabs, lobsters, crayfish, shrimp, mussels, oysters, and clams. Ocean fish was often salted or dried and brought over long distances, and this was sold to people well inland, in addition to those on the coast. Of course people also ate freshwater fish.
bread, milk, fish, wine
Yes
In medieval times, people consumed a variety of fish, both freshwater and saltwater species. Common choices included herring, cod, and salmon, as well as eels and trout. Fish was an important protein source, especially during Lent and other fasting periods when meat was restricted. Preservation methods like salting and smoking were frequently used to extend the shelf life of fish.
In medieval Europe, court jesters would have had access to the food of wealthy people. In addition to bread, they would have eaten beef, pork, fish, and the meat of game birds.
It will run out of fish if people don't look after the environment.
Whatever fish they could catch in their area
Days of the week are often pluralized; for example, many people eat fish on Fridays.
It could be cavier! yummy
a fish could get poisoned and a person could catch it and eat it
Mostly, medieval people ate their eggs, although some were permitted to hatch so they could continue to have poultry. There were a number of medieval recipes involving eggs, including pies made with eggs and dishes involving eggs together with cheese, meat, fish, or fruit. Some of these must have been rather like custards. Eggs were pickled, preserved in acids or brine. In the Late Middle Ages, new dishes used eggs in new ways, including making pastry crusts with egg whites in them.