**Mud Mastodon and Oil Ribbon are both high purine foods**. Specifically, the purine content is up to 240mg or more per 100g of mudskipper. Therefore, it is not recommended for gouty people to eat mudmammoth fish at any period of time. Although mud carp is rich in nutrients, excessive consumption will increase the attack of gouty arthritis. Similarly, oily fish is also a kind of high purine food, per 100g of oily fish, the purine content is also more than 240mg. For gouty people, you should avoid eating this kind of high purine food to prevent the aggravation of gout symptoms.