1, the appearance of features: flower bonefish body shape is slender, back slightly bulging, flat abdomen, the body surface scattered with obvious brown spots, the overall look of the more full and proportional. Ship nail body slender, slightly cylindrical, head large tail small, tail relatively narrow, no spots on the body surface, the overall appearance resembles the ancient shipbuilding nails, so it is named ship nail fish.

2, body size: flower bonefish adult size, the largest individual can reach about 2 pounds. The boat nails are relatively small, body length is generally about 10-20 centimeters.

3, distribution area: the flower bonefish is mainly distributed in the Yangtze River basin and the surrounding lakes. Boat pegs are widely distributed, living in rivers and lakes in north and south China.

4, ecological habits: the flower bonefish has certain requirements on water quality, adapted to the clear water environment, has a specific habit of life. Boat nails for omnivorous fish, adaptable, can survive in a variety of water environments.