1. Blackfish: Blackfish is tender and rich in flavor, and is very rich in nutrients, especially rich in unsaturated fatty acids and DHA, among others. However, when grilling blackfish, you need to be careful not to over-grill it so as not to make it taste old.

2. Grass carp: Grass carp is one of the common freshwater fish in China, with tender meat and delicious flavor, it is one of the common species of grilled fish. It can be paired with a variety of seasonings and side dishes with different flavors.

3. Qingjiang Fish: Qingjiang Fish is a kind of freshwater fish produced in the upper reaches of Yangtze River, the meat is tender and suitable for grilling with heavy seasonings.

4. Mekong Fish: Mekong Fish has delicate meat and mellow flavor, suitable for grilling with sauce grilled fish.

In short, the choice of which fish is most suitable for grilled fish depends on personal taste preferences and takes into account the characteristics of different fish species and the reasonableness of the combination of ingredients.