Each type of saury has its own unique characteristics and ornamental value. The following are some of the more popular species of saury:

1. **March fish**: also Known as the black-and-white guandao or long-finned guandao, this fish lives in areas with abundant coral reefs and feeds on organic debris and coral polyps. The special filamentous fins on its dorsal fin are very attractive. Because of its strong adaptability and ease of maintenance, it is suitable for multiple adult fish to be placed in the same aquarium.

2. **Xueyi Guandao**: This is an omnivorous fish that can live for 5 to 7 years. If artificially raised well, it can even live for more than ten years. Because of the particularity of its body color and markings, it has high ornamental value.

3. **Sweeney Guan Dao**: This is a kind of earth-eating sea bream with red body surface, bright green bead spots, long tail fin and pectoral fin. It has colorful body color and is of great ornamental value. It is taller and easier to breed and raise.

The choice of which fish is the best-looking and easy to raise depends on your personal interests and the breeding environment. If necessary, it is recommended to seek professional help.