The hammerhead shark is a classification of modern sharks in the true shark family. Most of them are not large, and their body length is more than one meter. The smallest can even reach 90 cm long, and the longest will not exceed 1.5 m. one of their most typical features is that their head is flat and hammerhead shaped.
The hammerhead shark is the most special species among sharks. Its shape is not as popular as the typical shark. In particular, its head presents a flat bun shape, which looks like the flag head of the grid of the Qing Dynasty. Its eyes grow at both ends of its head and look like the eyes on both sides of the hammer. This structure enables it to better observe the surrounding environment 360 degrees.